an agreement (1901) between the U.S. and Great Britain giving the U.S. the sole right to build a canal across Central America connecting the Atlantic and Pacific.
Compare Clayton-Bulwer Treaty.
Origin of Hay-Pauncefote Treaty
named after J. M. Hay and Julian Pauncefote (1828–1902), English diplomat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019