abactinal
Adjective. (zoology) Pertaining to the surface or end opposite to the mouth in a radiate animal; -- opposed to ''actinal''.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.