sea mouse sea moth • sea mud · · · Info · Definitions · Characters · · sea mouse · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) any of several large worms having a broad flattened body with a mat of coarse hairs covering the back. Synonyms: sea mouse. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075