coaster
word
Definition
A coaster is a small mat or disk you put under a glass or cup to protect a surface from heat or water marks. Informally, 'coaster' can also mean a roller coaster, a type of amusement park ride.
Usage & Nuances
'Coaster' mainly refers to drink mats in formal and daily use; using it to mean 'roller coaster' is informal American English, often seen in amusement park contexts. Not to be confused with 'coastal' (related to the coast) or 'coast' (the seashore). Common collocations: 'put a coaster', 'use a coaster', 'roller coaster ride'.
Example Sentences
Please put your cup on a coaster.
basic
My glass left a ring because I forgot to use a coaster.
basic
Every table in the café has a coaster for drinks.
basic
Do you want to try that new wooden coaster at the amusement park?
natural
I bought a set of coasters with funny quotes for my housewarming party.
natural
Don’t worry, these tables are old—you don’t need a coaster.
natural