/west"nawrth'west"/ ; Naut. /west"nawr'west"/ , Navig., Survey.
n.
1. a point on the compass midway between west and northwest.
adj.
2. coming from this point: a west-northwest wind.
3. directed toward this point: a west-northwest course.
adv.
4. toward this point: sailing west-northwest. Abbr.: WNW
[ 1400-50; late ME ]