Actinal

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

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

From WordNet (r) 2.0 [wn]:



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