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n. pl. a·quar·i·ums or a·quar·i·a (-ē-ə)
1. A tank, bowl, or other water-filled enclosure in which living fish or other aquatic animals and plants are kept.
2. A place for the public exhibition of live aquatic animals and plants.
[Latin aquārium, source of water, from neuter of aquārius, of water, from aqua, water; see akw-ā- in Indo-European roots.]
a·quar′i·al (-ē-əl) adj.
related to an aquarium