Portunidae portunidae • portunus · · · Info · Definitions · Characters · · Portunidae · · Text Latin · · Script 10 · · Length 3 · · Syllables Definitions · · · (noun) swimming crabs. Synonyms: family Portunidae. · · Noun Definition 1 Characters · · P latin capital letter p U+0050 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075