from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A tank, bowl, or other water-filled enclosure in which living fish or other aquatic animals and plants are kept.
- n. A place for the public exhibition of live aquatic animals and plants.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tank, often made of glass, for keeping live fish or other aquatic animals.
- n. A public place where live fish and other aquatic animals are exhibited.
from the GNU version of the Collaborative International Dictionary of English
- n. An artificial pond, or a globe or tank (usually with glass sides), in which living specimens of aquatic animals or plants are kept.
from The Century Dictionary and Cyclopedia
- n. An artificial pond, cistern, or place in a garden or elsewhere for cultivating aquatic plants.
- n. A vessel or series of vessels, constructed chiefly of glass, filled with either fresh or salt water, and supplied with plants, rocks, etc., in which living aquatic animals are kept.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a tank or pool or bowl filled with water for keeping live fish and underwater animals
Latin aquārium, source of water, from neuter of aquārius, of water, from aqua, water.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin aquarium, neuter of aquarius ("of or pertaining to water"), from aqua (Wiktionary)