-rēəm noun
( plural aquariums -ēəmz ; or aquar·ia -ēə)
Etymology: Latin, watering place for cattle, from neuter of aquarius of water, from aqua + -arius -ary — more at island
1. : a glass bowl or globe, a tank usually having glass sides, or an artificial pond in which living aquatic animals or plants are kept
2. : a place or establishment in which aquatic collections are kept and exhibited