coaster - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “coaster”

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noun [C]  us   /ˈkoʊ·stər/
a small, flat piece of material, often decorative, that you put a glass or cup on in order to protect the surface of furniture
Translations of “coaster”
in Chinese (Traditional) 物體, 杯墊…
in Chinese (Simplified) 物体, 杯垫…
(Definition of coaster from the Cambridge Academic Content Dictionary © Cambridge University Press)
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