The direction or point on the mariner's compass halfway between due east and southeast, or 112°30ʹ east of due north.
To, toward, of, facing, or in the east-southeast.
In, from, or toward the east-southeast.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.