south by west
south by west definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the direction, or the point on a mariner's compass, halfway between due south and south-southwest; 11°15′ west of due south
south by west definition by American Heritage Dictionary
noun Abbr. SbW
The direction or point on the mariner's compass halfway between due south and south-southwest, or 168°45: west of due north.adverb & adj.
Toward or from south by west.