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English definition of “coaster”

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noun [C] uk   /ˈkəʊ.stər/ us    /ˈkoʊ.stɚ/

coaster noun [C] (OBJECT)

a small piece of wood, plastic, or other material that you put a glass or cup on to protect a surface from heat or liquid

coaster noun [C] (BOAT)

a ship that sails between ports along a coast
Translations of “coaster”
in Chinese (Traditional) 物體, 杯墊…
in Chinese (Simplified) 物体, 杯垫…
(Definition of coaster from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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