sea louse

noun

Any copepod within the family Caligidae (order Siphonostomatoida); a kind of marine ectoparasite that feeds on the mucus, epidermal tissue and blood of fishes.

Similar
caligidsea slater
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Meanings

nounsea louse (plural sea lice)

plural sea lice

  1. Any copepod within the family Caligidae (order Siphonostomatoida); a kind of marine ectoparasite that feeds on the mucus, epidermal tissue and blood of fishes.

    Synonyms: caligid

  2. The horseshoe crab.

Synonyms & antonyms

nounAny copepod within the family Caligidae (order Siphonostomatoida); a kind of marine ectoparasite that feeds on the mucus, epidermal tissue and blood of fishes.

Similar
caligid

More synonyms by meaning

nounmarine isopod crustacean

Similar
sea slater
Broader
isopod
Also see
sea slater

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Japanese フナムシ, 船虫
  • フナムシ (funamushi)member of the Caligidae family
  • 船虫 (funamushi)member of the Caligidae family
Cite this entry
APA

sea louse. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sea%20louse

MLA

“sea louse.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sea%20louse. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sea louse,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sea%20louse.

Source: sea louse on Wiktionary, CC BY-SA 4.0.