union jack


noun
  1. a jack consisting of the union of a national flag or ensign, as the U.S. jack, which has the white stars and blue field of the union of the U.S. national flag.

  2. (often initial capital letter) the British national flag.

  1. any flag the overall design of which is a union.

Origin of union jack

1
First recorded in 1665–75

Words Nearby union jack

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use union jack in a sentence

  • The citadel was therefore rapidly entered, and the union-jack displayed on the walls.

  • No doubt the apparition in the bay of a force flying the tricolor and the union-jack frightened the people.

    The British Expedition to the Crimea | William Howard Russell
  • The Union-jack floats over it, the State of Maine is its next-door neighbor, and fish and fog are its principal productions.

    A Changed Heart | May Agnes Fleming
  • The union jack of England was soon run up in answer, and followed by a shot.

  • A minute later the wireless mast at the top of the airship met his view, with its tiny fluttering union jack attached to it.

    The Great Airship. | F. S. Brereton

British Dictionary definitions for Union Jack

Union Jack

noun
  1. a common name for Union flag

  2. (often not capitals) a national flag flown at the jackstaff of a vessel

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012