D defs.my
Entry 1 sense Webster, 1913

Southwestern

/southˌ-wĕs'-tẽrn/ · South·west·ern · IPA /sˌaʊθwˈɛstərn/
01 a. Of or pertaining to the southwest; southwesterly; as, to sail a southwestern course.
  1. 1.
    Of or pertaining to the southwest; southwesterly; as, to sail a southwestern course.