The cardinal compass point that is a 270 degrees(noun)
WordNet. Princeton University. 2010.
Use "due west" in a sentence
"Strike out due west from hereyoull likely begin to find rage demons, refugees who will know the way."
"Wattenberg had the Graf Spee's first opera - tional area — between 5° and 10° north, and 25° and 35° west (some 400-500 miles due west of Freetown) marked on his chart; but until the diplomatic situation cleared itself up, Langsdorff told Dau, the Altmark would steam in company with the Graf Spee."
"Third Company from Pyljai, 2nd Company four kilometers to the northwest, due west of the village of Seshtkino."