coed

or co-ed

[koh-ed, -ed]

noun

Older Use. a female student in a coeducational institution, especially in a college or university.

adjective

coeducational(def 1).
Older Use. of, relating to, or being a coed or coeds: coed fads.
for or serving both men and women alike.

Origin of coed

1885–90, Americanism; short for coeducational student

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for co-ed

Contemporary Examples of co-ed

Yet, even as a joke, that is an insult to your education and the women who worked hard to make Princeton a co-ed institution.
Dear Princeton Mom, Stop Telling Me To Husband-Hunt
Emily Shire
February 14, 2014
One such program, Navigators USA (a co-ed organization), has seen its membership double in the past year.
Disgusted by the Boy Scouts? Here’s an Alternative
Ilana Glazer
April 17, 2013
At Big Valley, a co-ed pre-K-12 in hardscrabble Modesto, Calif., the trip to Washington D.C. has been an annual rite of passage.
The Sequester Ruined Our Eighth-Grade Trip to Washington, D.C.
David Freedlander
March 19, 2013
To quote our friend Gina Bianchini, "Marketers need to be reminded that the boys club is co-ed now."
VOCO’s Sexist Ad Demonstrates That the Tech Industry Badly Needs Women
Jennifer Siebel Newsom, Jean Kilbourne
January 10, 2013
For 47,745 of the 47,763 runners who competed in the New York Marathon in 2011, it was a co-ed race.
Why Are There So Few Female Plutocrats?
Chrystia Freeland
October 16, 2012

Historical Examples of co-ed

How am I ever to be a co-ed in Annapolis and a pupil here at the same time?
Peggy Stewart at School
Gabrielle E. Jackson
They'll say I've backed down on my co-ed plan and will run me half to death.
Peggy Stewart at School
Gabrielle E. Jackson
They'd stroll gently up a canyon (Co-ed Canyon, I think he called it).
Caybigan
James Hopper
On the fringe of this group, an olive-skinned Brazilian co-ed asks: "Where's Martha?"
The Fourth R
George Oliver Smith
And now September was drawing to its close, and with the last day of that month their eagerly-longed for co-ed days would begin.
A Dixie School Girl
Gabrielle E. Jackson

British Dictionary definitions for co-ed

co-ed

adjective

coeducational

noun

US a female student in a coeducational college or university
British a school or college providing coeducation

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

Word Origin and History for co-ed

also coed, 1886, American English, (first in Louisa Mae Alcott's "Jo's Boys"); short for "co-educational system;" 1889 as an adjective, short for coeducational; 1893 as a noun meaning "girl or woman student at a co-educational institution."