1. 1. Of or relating to Great Britain or its people, language, or culture.
   2. Of or relating to the United Kingdom or the Commonwealth of Nations.
2. Of or relating to the ancient Britons.

1. (used with a pl. verb) The people of Great Britain.
2. British English.
3. The Celtic language of the ancient Britons.

[Middle English Brittish, from Old English Bryttisc, relating to the ancient Britons, from Bryttas, Britons, of Celtic origin.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.