acantha

2 definitions found

acantha - 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]

acantha - WordNet (r) 2.1 (2005) :

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