aquarialadj.
Etymology: Formed as aquarian adj. + -al suffix1.Previous versions of the OED give the stress as: aˈquarial.
rare.
the world > food and drink > farming > animal husbandry > zoo > [adjective] > aquarium
1864 542/1 Boston Aquarial Gardens.
This entry has not yet been fully updated (first published 1885; most recently modified version published online June 2019).