I. sau̇th-ˈwest, naut sau̇-ˈwest adverb
Date: before 12th century
: to, toward, or in the southwest
II. noun
Date: 12th century
1.
a. : the general direction between south and west
b. : the point midway between the south and west compass points
2. capitalized : regions or countries lying to the southwest of a specified or implied point of orientation
III. adjective
Date: 14th century
1. : coming from the southwest
a southwest wind
2. : situated toward or at the southwest
the southwest corner