Word.ws English Dictionary

sea louse

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.

Noun

sea louse (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 of sea louse

Forms of sea louse

pluralsea lice

Questions about sea louse

What does sea louse mean?
Sea louse means any copepod within the family Caligidae (order Siphonostomatoida); a kind of marine ectoparasite that feeds on the mucus, epidermal tissue and blood of fishes.
What part of speech is sea louse?
Sea louse is a noun.
What is the plural of sea louse?
The plural of sea louse is sea lice.

Words near sea louse in the dictionary

  1. sea lochs
  2. sea locust
  3. sea locusts
  4. Sea Lord
  5. Sea Lords
  6. sea louse
  7. sea mammal
  8. sea mammals
  9. sea mantis
  10. sea marigold
  11. sea marigolds

Source and license

Adapted from Wiktionary: sea louse (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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