Word.ws English Dictionary

sea letters

sea letters is the plural of sea letter.

Meaning of sea letter

Noun

sea letter (plural sea letters)

  1. (historical) A certificate issued by a neutral country, usually at a custom house, to a merchant ship and its crew, cargo etc. during wartime, allowing them to pass safely through waters of a belligerent. Often synonymous with the term "passport".
    • […]where such ship or vessel is in possession of a sea letter, or other regular document, issued from a custom-house of the United States, proving such ship or vessel to be American property.1805, United States Congress, An Act to amend an act intituled “An act for imposing more specific duties on the importation of certain articles, and also for levying and collecting light money on...
    Synonyms:
    sea brief, sea pass

Questions about sea letters

What is sea letters the plural of?
Sea letters is the plural of sea letter.

Words near sea letters in the dictionary

  1. sea lemon
  2. sea lemons
  3. sea leopard
  4. sea leopards
  5. sea letter
  6. sea letters
  7. sea lettuce
  8. sea lettuces
  9. sea level
  10. sea levels
  11. sea lice

Source and license

Adapted from Wiktionary: sea letters (page history and authors); sea letter (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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Cite this entry: “sea letters.” Word.ws, https://word.ws/sea_letters. Based on Wiktionary, CC BY-SA 4.0.