coaster
coas-ter
noun
A shortened, informal term for a roller coaster, an amusement park ride.
"They queued for the biggest coaster."
noun
A small mat placed under a drink to protect a table surface.
"Please use a coaster for your mug."
coas-ter
A shortened, informal term for a roller coaster, an amusement park ride.
"They queued for the biggest coaster."
A small mat placed under a drink to protect a table surface.
"Please use a coaster for your mug."