nudibranchia nudibranch • nudibranchian · · · Info · Definitions · Characters · · nudibranchia · · Text Latin · · Script 12 · · Length 5 · · Syllables Definitions · · · (noun) comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug. Synonyms: Nudibranchia, order Nudibranchia. · · Noun Definition 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 u latin small letter u U+0075