Found 2 items, similar to daphnia.
English → English (WordNet) Definition: daphnia daphnia n : minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae [syn: water flea]
English → English (gcide) Definition: Daphnia Daphnia \Daph"ni*a\, n. [NL.] (Zo["o]l.) A genus of the genus Daphnia. [1913 Webster]