Dugongidae dugong • dugout · · · Info · Definitions · Characters · · Dugongidae · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a family of mammals of order Sirenia including dugongs and Steller's sea cow. Synonyms: family Dugongidae. · · Noun Definition 1 Characters · · D latin capital letter d U+0044 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F u latin small letter u U+0075