daphnia daphnetin • Daphnia · · · Info · Definitions · Synonyms · Characters · · daphnia · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae. Synonyms: water flea. · · Noun Definition 1 Synonyms · · · water flea · · Synonym 1 Characters · · a latin small letter a U+0061 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 p latin small letter p U+0070