'NNW' definitions:

Definition of 'NNW'

From: WordNet
noun
The compass point that is midway between north and northwest [syn: north northwest, nor'-nor'-west, NNW]

Definition of 'NNW'

From: GCIDE
  • NNW \NNW\ n. (All capitals) north northwest; the compass point that is midway between north and northwest.
  • Syn: north northwest, nor'-nor'-west. [WordNet 1.5]