actinal

2 definitions found

actinal - Collaborative International Dictionary of English v.0.48 :

  Actinal \Ac"ti*nal\, a. [Gr. ?, ?, ray.] (Zool.)
     Pertaining to the part of a radiate animal which contains the
     mouth. --L. Agassiz.
     [1913 Webster]

actinal - WordNet (r) 2.1 (2005) :

  actinal
      adj 1: (of radiate organisms) located on the surface or end on
             which the mouth is situated [ant: abactinal]