Dictionary.com

GI's

or G.I.'s, G.I.s.

[ jee-ahyz ]
/ ˈdʒiˈaɪz /
Save This Word!

noun

the GI's, Slang. diarrhea.

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of GI's

1960–65, Americanism; probably for GI shits; see GI, -s3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for GI's

British Dictionary definitions for GI's

GIS

abbreviation for

geographic(al) information system: a system for storing, editing, and displaying geographical information on computer
(in Canada) guaranteed income supplement
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

Scientific definitions for GI's

GIS

Abbreviation of Geographic Information System
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See Today's Synonym