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GCA

American  

  1. Girls' Clubs of America.

  2. Aeronautics. ground-controlled approach.

GCA British  

abbreviation

  1. aeronautics ground control approach

  2. Guatemala (international car registration)

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Amanda Fergusson, the chief executive of the GCA, said the industry welcomed the changes.

From BBC • Oct. 22, 2025

In the decade and a half before the GCA kneecapped his war-surplus business, Cummings imported some 5 million firearms for distribution on the U.S. consumer market.

From Slate • May 25, 2025

“The GCA does not define ‘willful,’” the spokesman said, citing a statement from its website.

From Washington Times • Nov. 25, 2022

“There’s this really cool exploration that’s happening and I think the families see it,” GCA principal Mandy Breuer said.

From Los Angeles Times • Nov. 21, 2021

The GCA official said the sale was “an orderly, international process”, adding: “geopolitics is not a factor”.

From Reuters • Aug. 9, 2021

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.