3. (Anat.)
Defn: The backbone, or spinal column, of an animal; — so called from the projecting processes upon the vertebræ.
4. Anything resembling the spine or backbone; a ridge.
SPINEBACK
Spine"back`, n. (Zoöl.)
Defn: A fish having spines in, or in front of, the dorsal fins.
SPINEBILL
Spine"bill`, n. (Zoöl.)
Defn: Any species of Australian birds of the genus Acanthorhynchus.
They are related to the honey eaters.
SPINED
Spined, a.
Defn: Furnished with spines; spiny.
SPINE-FINNED
Spine"-finned`, a. (Zoöl.)