Webster-Ashburton Treaty

[ web-ster-ash-bur-tn ]

noun

1. U.S. History. an agreement between the U.S. and England (1842) defining the boundary between British and American territory from Maine to present-day Minnesota.

Word History and Origins

Origin of Webster-Ashburton Treaty¹

Named after D. Webster and A. Baring, 1st Baron Ashburton, who negotiated it