Definition of spine

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Spine (n.) A rigid and sharp projection upon any part of an animal.

Lern More About Spine

Infraspinal :: Infraspinal (a.) Below the spine; infraspinate; infraspinous.
Spinel :: Spine-finned (a.) Having fine supported by spinous fin rays; -- said of certain fishes.
Lordosis :: Lordosis (n.) A curvature of the spine forwards, usually in the lumbar region..
Rostrum :: Rostrum (n.) The anterior, often spinelike, prolongation of the carapace of a crustacean, as in the lobster and the prawn..
Spinosity :: Spinose (a.) Full of spines; armed with thorns; thorny.
Swordfish :: Swordfish (n.) A very large oceanic fish (Xiphias gladius), the only representative of the family Xiphiidae. It is highly valued as a food fish. The bones of the upper jaw are consolidated, and form a long, rigid, swordlike beak; the dorsal fin is high and without distinct spines; the ventral fins are absent. The adult is destitute of teeth. It becomes sixteen feet or more long..
Acantha :: Acantha (n.) A spine or prickly fin.
Ambulacral :: Ambulacral (a.) Of or pertaining to ambulacra; avenuelike; as, the ambulacral ossicles, plates, spines, and suckers of echinoderms..
Sea Porcupine :: Sea porcupine () Any fish of the genus Diodon, and allied genera, whose body is covered with spines. See Illust. under Diodon..
Picked :: Picked (a.) Having a pike or spine on the back; -- said of certain fishes.
Interneural :: Interneural (n.) An interneural spine or cartilage.
Leaf :: Leaf (n.) A special organ of vegetation in the form of a lateral outgrowth from the stem, whether appearing as a part of the foliage, or as a cotyledon, a scale, a bract, a spine, or a tendril..
Batrachoid :: Batrachoid (a.) Froglike. Specifically: Of or pertaining to the Batrachidae, a family of marine fishes, including the toadfish. Some have poisonous dorsal spines..
Banstickle :: Banstickle (n.) A small fish, the three-spined stickleback..
Thorn :: Thorn (n.) A hard and sharp-pointed projection from a woody stem; usually, a branch so transformed; a spine..
Franklinite :: Franklinite (n.) A kind of mineral of the spinel group.
Spined :: Spinebill (n.) Any species of Australian birds of the genus Acanthorhynchus. They are related to the honey eaters.
Turban-shell :: Turban-shell (n.) A sea urchin when deprived of its spines; -- popularly so called from a fancied resemblance to a turban.
Lute-backed :: Lute-backed (a.) Having a curved spine.
Spinigerous :: Spiniform (a.) Shaped like a spine.
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