- The definition of carry-on is luggage that can be taken onto a plane.
An example of carry-on used as an adjective is in the phrase "carry-on bag."
- A carry-on is a small piece of luggage brought onto a plane with a person.
An example of a carry-on is an overnight bag.
carry-on definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
designating lightweight luggage designed to be carried onto an airplane by a passenger, esp. if small enough to fit under an airplane seat or in an overhead compartment
such a piece of luggage
carry-on definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Small or compact enough to be carried aboard and stowed on an airplane, train, or bus by a passenger: carry-on luggage.noun
A carry-on bag, suitcase, or other item.
carry-on - Phrases/Idioms
Maintain, conduct, as in The villagers carried on a thriving trade, or They carried on a torrid love affair. [c. 1600]
Continue or progress, persevere, as in I'm sure you can carry on without me. [Mid-1600s]
Behave in an excited, improper, or silly manner, as in They laughed and sang and carried on rather noisily. [Early 1800s]
Flirt, engage in an illicit love affair, as in She accused her friend of carrying on with her husband. [Early 1900s]