Meaning & use
coaster
A small mat or disk placed under a cup or glass to protect a surface from moisture or heat.
See it in a sentence
She set her mug down on a cork coaster to avoid leaving a ring on the table.
Each coaster in the set featured a different vintage map design.
A note on using this word
Also short for roller coaster, the amusement park ride, depending on context.
Words with a similar meaning
This term is best learned through its definition and examples.
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. noun
Short for roller coaster, an amusement park ride with steep drops and sharp turns.
We waited nearly an hour to ride the park's newest coaster.
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