| backbone | | |
| n. (cognition) | 1. anchor, backbone, keystone, linchpin, lynchpin, mainstay | a central cohesive source of support and stability.; "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm" |
| ~ support | something providing immaterial assistance to a person or cause or interest.; "the policy found little public support"; "his faith was all the support he needed"; "the team enjoyed the support of their fans" |
| n. (attribute) | 2. backbone, grit, gumption, guts, moxie, sand | fortitude and determination.; "he didn't have the guts to try it" |
| ~ fortitude | strength of mind that enables one to endure adversity with courage. |
| ~ colloquialism | a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech. |
| n. (body) | 3. back, backbone, rachis, spinal column, spine, vertebral column | the series of vertebrae forming the axis of the skeleton and protecting the spinal cord.; "the fall broke his back" |
| ~ notochord | a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates. |
| ~ chine | backbone of an animal. |
| ~ canalis vertebralis, spinal canal, vertebral canal | the canal in successive vertebrae through which the spinal cord passes. |
| ~ coccyx, tail bone | the end of the vertebral column in humans and tailless apes. |
| ~ vertebra | one of the bony segments of the spinal column. |
| ~ intervertebral disc, intervertebral disk | a fibrocartilaginous disc serving as a cushion between all of the vertebrae of the spinal column (except between the first two). |
| ~ skeletal structure | any structure created by the skeleton of an organism. |
| ~ axial skeleton | the part of the skeleton that includes the skull and spinal column and sternum and ribs. |
| n. (artifact) | 4. backbone, spine | the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved.; "the title and author were printed on the spine of the book" |
| ~ book, volume | physical objects consisting of a number of pages bound together.; "he used a large book as a doorstop" |
| ~ part, portion | something less than the whole of a human artifact.; "the rear part of the house"; "glue the two parts together" |
| n. (artifact) | 5. backbone | the part of a network that connects other networks together.; "the backbone is the part of a communication network that carries the heaviest traffic" |
| ~ connecter, connector, connective, connection, connexion | an instrumentality that connects.; "he soldered the connection"; "he didn't have the right connector between the amplifier and the speakers" |
| ~ meshwork, meshing, network, mesh, net | an open fabric of string or rope or wire woven together at regular intervals. |
| spinal column | | |
| spine | | |
| n. (shape) | 1. acantha, spine, spur | any sharply pointed projection. |
| ~ projection | any solid convex shape that juts out from something. |
| n. (plant) | 2. pricker, prickle, spikelet, spine, sticker, thorn | a small sharp-pointed tip resembling a spike on a stem or leaf. |
| ~ aculeus | a stiff sharp-pointed plant process. |
| ~ glochid, glochidium | a barbed spine or bristle (often tufted on cacti). |
| n. (animal) | 3. spine | a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin. |
| ~ ray | any of the stiff bony spines in the fin of a fish. |
| ~ quill | a stiff hollow protective spine on a porcupine or hedgehog. |
| ~ appendage, outgrowth, process | a natural prolongation or projection from a part of an organism either animal or plant.; "a bony process" |
| vertebra | | |
| n. (body) | 1. vertebra | one of the bony segments of the spinal column. |
| ~ bone, os | rigid connective tissue that makes up the skeleton of vertebrates. |
| ~ centrum | the main body of a vertebra. |
| ~ apophysis | (anatomy) a natural outgrowth or projection on an organ or body part such as the process of a vertebra. |
| ~ transverse process | one of two processes that extend from each vertebra and provide the point of articulation for the ribs. |
| ~ spinal column, spine, vertebral column, rachis, backbone, back | the series of vertebrae forming the axis of the skeleton and protecting the spinal cord.; "the fall broke his back" |
| ~ cervical vertebra, neck bone | one of 7 vertebrae in the human spine located in the neck region. |
| ~ dorsal vertebra, thoracic vertebra | one of 12 vertebrae in the human vertebral column; thoracic vertebrae extend from the seventh cervical vertebra down to the first lumbar vertebra. |
| ~ lumbar vertebra | one of 5 vertebrae in the human vertebral column; lumbar vertebrae extend from the twelfth thoracic vertebra down to the sacral vertebrae. |
| ~ sacral vertebra | one of 5 vertebrae in the human spine that fuse in the adult to form the sacrum. |
| ~ caudal vertebra, coccygeal vertebra | one of 4 vertebrae in the human coccyx. |
| draw in | | |
| v. (contact) | 1. draw in, retract | pull inward or towards a center.; "The pilot drew in the landing gear"; "The cat retracted his claws" |
| ~ attract, pull in, draw in, pull, draw | direct toward itself or oneself by means of some psychological power or physical attributes.; "Her good looks attract the stares of many men"; "The ad pulled in many potential customers"; "This pianist pulls huge crowds"; "The store owner was happy that the ad drew in many new customers" |
| ~ attract, pull in, draw in, pull, draw | direct toward itself or oneself by means of some psychological power or physical attributes.; "Her good looks attract the stares of many men"; "The ad pulled in many potential customers"; "This pianist pulls huge crowds"; "The store owner was happy that the ad drew in many new customers" |
| ~ introvert, invaginate | fold inwards.; "some organs can invaginate" |
| v. (contact) | 2. attract, draw, draw in, pull, pull in | direct toward itself or oneself by means of some psychological power or physical attributes.; "Her good looks attract the stares of many men"; "The ad pulled in many potential customers"; "This pianist pulls huge crowds"; "The store owner was happy that the ad drew in many new customers" |
| ~ draw, pull, force | cause to move by pulling.; "draw a wagon"; "pull a sled" |
| ~ tug | pull hard.; "The prisoner tugged at the chains"; "This movie tugs at the heart strings" |
| ~ arrest, catch, get | attract and fix.; "His look caught her"; "She caught his eye"; "Catch the attention of the waiter" |
| ~ draw in, retract | pull inward or towards a center.; "The pilot drew in the landing gear"; "The cat retracted his claws" |
| ~ draw in, retract | pull inward or towards a center.; "The pilot drew in the landing gear"; "The cat retracted his claws" |
| ~ bring | attract the attention of.; "The noise and the screaming brought the curious" |
| ~ curl up, curl, draw in | shape one's body into a curl.; "She curled farther down under the covers"; "She fell and drew in" |
| v. (motion) | 3. curl, curl up, draw in | shape one's body into a curl.; "She curled farther down under the covers"; "She fell and drew in" |
| ~ attract, pull in, draw in, pull, draw | direct toward itself or oneself by means of some psychological power or physical attributes.; "Her good looks attract the stares of many men"; "The ad pulled in many potential customers"; "This pianist pulls huge crowds"; "The store owner was happy that the ad drew in many new customers" |
| ~ bend, flex | form a curve.; "The stick does not bend" |
| v. (motion) | 4. close in, draw in | advance or converge on.; "The police were closing in on him" |
| ~ advance, march on, move on, progress, go on, pass on | move forward, also in the metaphorical sense.; "Time marches on" |
| ~ move in, pull in, get in, draw in | of trains; move into (a station).; "The bullet train drew into Tokyo Station" |
| v. (motion) | 5. draw in, get in, move in, pull in | of trains; move into (a station).; "The bullet train drew into Tokyo Station" |
| ~ arrive, come, get | reach a destination; arrive by movement or progress.; "She arrived home at 7 o'clock"; "She didn't get to Chicago until after midnight" |
| ~ close in, draw in | advance or converge on.; "The police were closing in on him" |
| v. (contact) | 6. draw in, suck in | draw in as if by suction.; "suck in your cheeks and stomach" |
| ~ core out, hollow out, hollow | remove the interior of.; "hollow out a tree trunk" |
| ~ aspirate, suck out, draw out | remove as if by suction.; "aspirate the wound" |
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