WordReference.com | Online Language Dictionaries

English Dictionary | jack block

Forums

- See Also:
- - jacamar
  - jaçana
  - jacaranda
  - jacaré
  - Jacarta
  - jacinth
  - Jack
  - jack
  - jack arch
  - jack bean
  - jack block
  - jack chain
  - jack cheese
  - jack crevalle
  - jack crosstree
  - Jack Frost
  - jack in
  - Jack Ketch
  - jack ladder
  - jack mackerel
  - jack Mormon
- Recent searches:
- View All

jack block

ⓘ One or more forum threads is an exact match of your searched term

in Spanish | in French | in Italian | English synonyms | English Usage | Conjugator | in context | images

WordReference Random House Unabridged Dictionary of American English © 2026

jack′ block′, [Naut.]

Nautical, Naval Termsa block used in raising or lowering a topgallant yard.

1785–95

Forum discussions with the word(s) "jack block" in the title:

No titles with the word(s) "jack block".

Visit the English Only Forum.
Help WordReference: Ask in the forums yourself.

Look up "jack block" at Merriam-Webster
Look up "jack block" at dictionary.com

Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Links: ⚙️Preferences | Abbreviations | Pron. Symbols | Privacy Policy | Terms of Service | Support WR | Forums | Suggestions

Advertisements

Advertisements

Report an inappropriate ad.

WordReference.com

WORD OF THE DAY

GET THE DAILY EMAIL!

Become a WordReference Supporter to view the site ad-free.