Pronunciation: (west'south"west'; Naut.west'sou"west'), [key] Navig., Survey.
a point on the compass midway between west and southwest.
1. coming from this point: a west-southwest wind.
2. directed toward this point: a west-southwest course.
toward this point: sailing west-southwest. Abbr.: WSW
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.