north by west

the direction, or the point on a mariner's compass, halfway between due north and north-northwest; 11°15′ west of due north

See north by west in American Heritage Dictionary 4

noun Abbr. NbW
The direction or point on the mariner's compass halfway between due north and north-northwest, or 11°15: west of due north.
adverb & adj.
Toward or from north by west.
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