or four cor·ners
noun (used with a singular or plural verb) Northern and Western U.S.
a place where roads cross at right angles; a crossroads.
a point in the SW U.S., at the intersection of 37° N latitude and 109° W longitude, where the boundaries of four states—Arizona, Utah, Colorado, and New Mexico—meet: the only such point in the U.S.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019