sea star sea staff • sea starwort · · · Info · Definitions · Synonyms · Characters · · sea star · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) echinoderms characterized by five arms extending from a central disk. Synonyms: starfish, sea star. · · Noun Definition 1 Synonyms · · · starfish · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074