I. -tərlē, -li, - R -təl- sometimes -t ə l- adverb (or adjective)
Etymology: from southwest (II) , after English west : westerly
1. : from the southwest
a southwesterly weather pattern
2. : toward the southwest
this part of US 277 extends southwesterly , then south — American Guide Series: Texas
II. noun
: a wind from the southwest