Search Result for "acantha": 
Wordnet 3.0

NOUN (1)

1. any sharply pointed projection;
[syn: spur, spine, acantha]



The Collaborative International Dictionary of English v.0.48:

Acantha \A*can"tha\, n. [Gr. ? thorn, fr. ? point. See Acute.]
   1. (Bot.) A prickle.
      [1913 Webster]

   2. (Zool.) A spine or prickly fin.
      [1913 Webster]

   3. (Anat.) The vertebral column; the spinous process of a
      vertebra. --Dunglison.
      [1913 Webster]


WordNet (r) 3.0 (2006):

acantha
    n 1: any sharply pointed projection [syn: spur, spine,
         acantha]