the direction, or the point on a mariner's compass, halfway between south and west; 45° west of due south
a district or region in or toward this direction
adjective
in, of, to, toward, or facing the southwest
from the southwest: a southwest wind
adverb
in, toward, or from the southwest
See southwest in American Heritage Dictionary 4
noun
Abbr. SW The direction or point on the mariner's compass halfway between due south and due west, or 135° west of due north.
An area or region lying in the southwest.
Southwest A region of the southwest United States generally including New Mexico, Arizona, Texas, California, and Nevada and sometimes Utah and Colorado.
adjective
To, toward, of, facing, or in the southwest.
Originating in or coming from the southwest: a southwest wind.