acantha [
ə'kænθə]
[医] 棘; 棘突
acantha[ noun ]
any sharply pointed projection
<noun.shape>
Acantha \A*can"tha\, n. [Gr. ? thorn, fr. ? point. See {Acute}.]
1. (Bot.) A prickle.
2. (Zo["o]l.) A spine or prickly fin.
3. (Anat.) The vertebral column; the spinous process of a
vertebra. --Dunglison.