Entry 2 senses · 2 variants Webster, 1913 Southeast /(?; by sailors sou"-)/ · South·east · IPA /sˌaʊθˈiːst/ n. a. 01 n. The point of the compass equally distant from the south and the east; the southeast part or region. 1. The point of the compass equally distant from the south and the east; the southeast part or region. 02 a. Of or pertaining to the southeast; proceeding toward, or coming from, the southeast; as, a southeast course; a southeast wind. 1. Of or pertaining to the southeast; proceeding toward, or coming from, the southeast; as, a southeast course; a southeast wind.