tortoiseshell tortoise-shaped • tortoise shell · · · Info · Definitions · Synonyms · Characters · · tortoiseshell · · Text Latin · · Script 13 · · Length 4 · · Syllables Definitions · · · (noun) the mottled horny substance of the shell of some turtles. · · Noun Definition 1 (noun) brilliantly colored; larvae feed on nettles. Synonyms: tortoiseshell butterfly. · · Noun Definition 2 (noun) a cat having black and cream-colored and yellowish markings. Synonyms: tortoiseshell-cat, calico cat. · · Noun Definition 3 Synonyms · · · tortoiseshell butterfly · · Synonym 1 tortoiseshell-cat · · Synonym 2 calico cat · · Synonym 3 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074