/ Dictionary / Index S southeast by east: Meaning and Definition of Find definitions for: southeast' by east' Pronunciation: [key] — Navig., Survey. Navig.,Survey. a point on the compass 11°15′ east of southeast. Abbr.: SEbE Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Southeast Asia Treaty Organization southeast by south Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language