Synonyms: spine
Definition: a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin
Similar words: process, appendage, outgrowth
Definition: a natural prolongation or projection from a part of an organism either animal or plant
Usage: a bony process
Definition: 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
Usage: the title and author were printed on the spine of the book
Definition: something less than the whole of a human artifact
Usage: the rear part of the house; glue the two parts together
Synonyms: back, backbone, vertebral column, spinal column, spine, rachis
Definition: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
Usage: the fall broke his back
Similar words: skeletal structure
Definition: any structure created by the skeleton of an organism
Synonyms: spikelet, spine, pricker, prickle, thorn, sticker
Definition: a small sharp-pointed tip resembling a spike on a stem or leaf
Similar words: aculeus
Definition: a stiff sharp-pointed plant process
Synonyms: spine, spur, acantha
Definition: any sharply pointed projection
Similar words: projection
Definition: any solid convex shape that juts out from something