aquarium aquariist • aquarius · · · Info · Definitions · Synonyms · Characters · · aquarium · · Text Latin · · Script 8 · · Length 5 · · Syllables Definitions · · · (noun) a tank or pool or bowl filled with water for keeping live fish and underwater animals. Synonyms: fish tank, marine museum. · · Noun Definition 1 Synonyms · · · fish tank · · Synonym 1 marine museum · · Synonym 2 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 m latin small letter m U+006D q latin small letter q U+0071 r latin small letter r U+0072 u latin small letter u U+0075