Definition, Meaning & Synonyms

liner

noun
/ˈlaɪnər/
Definition
A liner is a material or substance that is used to cover the inside surface of something.
Examples
  • The artist used a black liner to define the edges of the painting.
  • Many boats have a liner to help keep them waterproof.
  • The makeup liner has become a popular choice for defining eyes.
Meaning
In various contexts, a liner serves to protect or enhance the function of the item it is lining.
Synonyms
  • coating
  • covering
  • sheet