Definition of jackstaff in English:

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Pronunciation: /ˈjakstaf/


A short flagpole at a ship’s bow, on which a jack is flown.
Example sentences
  • Navy ships not under way also hoist and lower the union jack on the jackstaff, at the ship's bow, and at morning and evening colors.
  • Navy ships not underway fly the union jack on the jackstaff. The union jack is also flown from a yardarm to denote that a general court-martial is in session.

For editors and proofreaders

Syllabification: jack·staff

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