noun
The compass point halfway between west and northwest; specifically at a bearing of 292.5°.
adjective
Of, in or pertaining to the west-northwest; west-northwestern.
Situated toward or in the direction of the west-northwest; west-northwestward; west-northwesterly.
Coming from the west-northwest; west-northwesterly.
adverb
Towards or in the direction of the west-northwest; west-northwestwards.