east by north

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. The direction or point on the mariner's compass halfway between due east and east-northeast, or 78°45ʹ east of due north.
• adv. Toward or from east by north.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. The compass point halfway between east and east-northeast, specifically 78.75°.

from the GNU version of the Collaborative International Dictionary of English

• n. according to the notation of the mariner's compass, that point which lies 111/4° to the north or south, respectively, of the point due east.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• n. the compass point that is one point north of due east