Pinckney's Treaty: Meaning and Definition of

Pinck'ney's Trea'ty

Pronunciation: [key]
  1. an agreement in 1795 between Spain and the U.S. by which Spain recognized the 31st parallel as the southern boundary of the U.S. and permitted free navigation of the Mississippi to American ships.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.