Entry from US English dictionary
Definition of Gadsden Purchase in English:
An area in New Mexico and Arizona, near the Rio Grande, that covers an area of more than 30,000 square miles (77,700 sq km). It was purchased from Mexico in 1853 by US diplomat James Gadsden (1788–1858) with the intention of ensuring a southern railroad route to the Pacific Ocean.
Definition of Gadsden Purchase in: