English dictionary

abactinal

Definitions, examples, synonyms and antonyms from WordNet 3.0.

adjective

(of radiate animals) located on the surface or end opposite to that on which the mouth is situated

adj.all

Antonyms actinal

Source: WordNet 3.0
Pertaining to the surface or end opposite to the mouth in a radiate animal; -- opposed to <i>actinal</i>.

adjective

Source: webster1913