aquarium
aquar.i.um \*-'kwar-e--*m, -'kwer-\ \-e--*\ n or aquariums or aquar.ia [L, watering place for cattle, fr. neut. of acquarius of water, fr. aq] pl ua 1: a container (as a glass tank) or an artificial pond in which living aquatic animals or plants are kept 2: an establishment where such aquatic collections are kept and exhibited