Word.ws English Dictionary

moon pool

/ˈmuːnpuːl/US/ˈmunˌpul/

moon pool noun: an opening in the base of the hull of a vessel (especially a marine drilling platform), which is used for lowering equipment into the sea below.

Noun

moon pool (plural moon pools)

  1. (chiefly oil industry) An opening in the base of the hull of a vessel (especially a marine drilling platform), which is used for lowering equipment into the sea below.

Forms of moon pool

pluralmoon pools
alternative formmoonpool
alternative formmoon-pool

Origin of moon pool

From moon + pool, from the fact that, on some nights, moonlight can be seen reflected by the surface of the sea through the opening, making it resemble a swimming pool.

Questions about moon pool

What does moon pool mean?
Moon pool means an opening in the base of the hull of a vessel (especially a marine drilling platform), which is used for lowering equipment into the sea below.
What part of speech is moon pool?
Moon pool is a noun.
How do you pronounce moon pool?
Moon pool is pronounced /ˈmuːnpuːl/ (UK).
What is the plural of moon pool?
The plural of moon pool is moon pools.

Words near moon pool in the dictionary

  1. moon phase
  2. moon pie
  3. moon pies
  4. moon pigeon
  5. moon pigeons
  6. moon pool
  7. moon pools
  8. moon rat
  9. moon rats
  10. moon ring
  11. moon rise

Source and license

Adapted from Wiktionary: moon pool (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-moon pool.wav.

Cite this entry: “moon pool.” Word.ws, https://word.ws/moon_pool. Based on Wiktionary, CC BY-SA 4.0.