American Dictionary

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Definition balloon in American English

balloon noun

[countable] noun
/bəˈlun/
1

a large strong bag filled with gas or hot air that can float in the air. Some balloons have a large basket hanging under them in which people can travel.

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1.1

a small colored bag of thin rubber that you fill with air, used as a child's toy or a decoration

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1.2

a small bag that a doctor puts into a part of your body and fills with air in order to force something out

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2

a circle around the words spoken by characters in cartoon drawings

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Definition balloon in American English