from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Pertaining to the surface or end opposite to the mouth in a radiate animal.
from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to the surface or end opposite to the mouth in a radiate animal; -- opposed to
from The Century Dictionary and Cyclopedia
- In zoology, remote from the actinal or oral area; hence, devoid of rays; aboral.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. (of radiate animals) located on the surface or end opposite to that on which the mouth is situated
ab- + actinal (Wiktionary)