American Dictionary

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Definition roller in American English

roller noun

[countable] noun
/ˈroʊlər/
1

a tube in a machine or piece of equipment that goes around and around in order to make something flat, or in order to crush, spread, or print something

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1.1

a small tube that you wind a piece of your hair around to make a curl

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1.2

a tube that you put under a heavy object to help you to move it

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1.3

a large heavy tube that you roll over grass or a road in order to make it flat and smooth

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2

a large strong wave that rolls toward the land

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Definition roller in American English