'Northwesterly' definitions:

Definition of 'northwesterly'

From: WordNet
adjective
Coming from the northwest; "northwesterly winds" [syn: northwesterly, northwest]
adjective
Situated in or oriented toward the northwest [syn: northwestern, northwesterly, northwest]

Definition of 'Northwesterly'

From: GCIDE
  • Northwesterly \North`west"er*ly\, a. Toward the northwest, or from the northwest. [1913 Webster]