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