Moving or about to move toward the west; bound or destined for some place in the west: as, west-bound freight.
The Century Dictionary (Public Domain)
Use "west-bound" in a sentence
"I wanted to take the west-bound overland that night."
"One was to catch the blind baggage on the west-bound overland that night."
"Never a day does the gray thin, or the snow-squalls cease that we do not sight ships, west-bound like ourselves, hove-to and trying to hold on to the meagre westing they possess."