north-north·west /ˈnɔːθnɔːθˈwest/ n. | ad. | a. I n. 北西北(即正北以西22°30′，写作 N 22°30′W) II ad. 1. (向)北西北 sail north-northwest 向北西北航行 2. 从北西北 The wind is blowing north-northwest. 风从北西北吹来。 III a. 1. (向)北西北的 a north-northwest course 北西北航向 2. 从北西北来的 a north-northwest wind 北西北风