Definition, Meaning & Synonyms

coaster

noun
/ˈkoʊstər/
Definition
A coaster is a small, flat object used to protect surfaces from damage caused by drinks or cups.
Examples
  • She placed her mug on the wooden coaster to protect the table.
  • The coasters were made of ceramic and featured beautiful designs.
  • During the party, everyone complimented the colorful coasters.
Meaning
Coasters help prevent water rings and heat marks from beverages on tables and other surfaces.
Synonyms
  • mat
  • pad
  • underlay