stickleback stickleaf • stick-leg · · · Info · Definitions · Synonyms · Characters · · stickleback · · Text Latin · · Script 11 · · Length 3 · · Syllables Definitions · · · (noun) small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research. Synonyms: prickleback. · · Noun Definition 1 Synonyms · · · prickleback · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074