carryon
nounUK /ˈkæriˌɒn/
US /ˈkæriˌɑːn/
A carryon is a small bag you take on a plane with you.
She packed her carryon with snacks and a book for the flight.
OTHER MEANINGS
2. Carry-on can describe something small enough to bring onto a plane.
He bought a carry-on suitcase for the trip.
3. Carry-on can mean the act of continuing something.
The carry-on of the meeting went late into the night.
4. Carry-on can describe noisy or excited behavior.
There was a lot of carry-on in the classroom today.