least bittern least • least common multiple · · · Info · Definitions · Synonyms · Characters · · least bittern · · Text Common · · Latin · · Scripts 13 · · Length 3 · · Syllables Definitions · · · (noun) small American bittern. Synonyms: least bittern, Ixobrychus exilis. · · Noun Definition 1 Synonyms · · · ixobrychus exilis · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074