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Vinony

abactinal

adjective

  1. away from or opposite of the mouth
L1236451 on Wikidata ↗

Wiktionary

Pronunciation: /æˈbæk.tə.nl̩/ / /ˈæˌbæk.tə.nl̩/ / /ˌæˌbækˈtaɪ.nl̩/

adj

Etymology: Etymology tree English ab- English actinal English abactinal From ab- + actinal.

  1. Pertaining to the surface or end opposite to the mouth in a radiate animal.

    “The so-called mouth is always placed at one end of these poles, and from it radiate the most prominent organs, in consequence of which I have called this side of the body the oral or actinal area, and the opposite side the aboral or abactinal area.”