Found 2 items, similar to sea louse.
English → English (WordNet) Definition: sea louse sea louse n : marine isopod crustacean [syn: sea slater]
English → English (gcide) Definition: Sea louse Sea louse \Sea" louse`\ (Zo["o]l.) Any one of numerous species of isopod crustaceans of Cymothoa, Livoneca, and allied genera, mostly parasites on fishes. [1913 Webster]