EO


  1. executive order.

Other definitions for eo- (2 of 3)

eo-

  1. a combining form meaning “early,” “primeval,” used in the formation of compound words: Eocene; eohippus.

Origin of eo-

2
<Greek, combining form of ēṓs (Attic héōs) dawn; akin to east, Aurora

Other definitions for e.o. (3 of 3)

e.o.

abbreviation
  1. ex officio.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use EO in a sentence

  • Supper was announced, and the room emptied fast, whilst he remained motionless leaning on the E O table.

  • He retreated from the E O table one night, swearing that he never would hazard another guinea.

  • Two grasses ago I was with a war-party and we caught a white man between the bends of the Tois-ta-to-e-o.

    The Way of an Indian | Frederic Remington
  • He laboriously drew upon it and made E-O which of course destroyed the former brand.

    Crooked Trails | Frederic Remington
  • I—t—e—o—l—'s—r—a—f—e—d—f—a—t—e,I—t—e—i—o—a—o—l—f—,B—n—t—i—e—u—b—r—v—n—a—t—e:B—a—e—o—n—h—s—r—f—.

British Dictionary definitions for eo- (1 of 2)

eo-

combining form
  1. early or primeval: Eocene; eohippus

Origin of eo-

1
from Greek, from ēōs dawn

British Dictionary definitions for e.o. (2 of 2)

e.o.

abbreviation for
  1. ex officio

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012