sea slug sea slope • seasnail · · · Info · Definitions · Synonyms · Characters · · sea slug · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body. Synonyms: sea slug, nudibranch. · · Noun Definition 1 Synonyms · · · nudibranch · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C s latin small letter s U+0073 u latin small letter u U+0075