Definition of "southeast by south" []

• The direction or point on the mariner's compass halfway between southeast and south-southeast, or 146°15ʹ east of due north. (noun)
• Toward or from southeast by south. (adverb)

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.