1. A large commercial ship (especially one that carries passengers on a regular schedule)
   "The luxury ocean liner embarked on its maiden voyage across the Atlantic";
   - ocean liner
    
2. A protective covering that protects an inside surface
   "The trunk's plastic liner prevented water damage to the contents";
   - lining
    
3. A piece of cloth that is used as the inside surface of a garment
   "The jacket's silk liner added a luxurious touch";
   - lining
    
4. (baseball) a hit that flies straight out from the batter
   "the batter hit a liner to the shortstop";
   - line drive

Derived forms: liners

Type of: fly, fly ball, passenger ship, piece of cloth, piece of material, protection, protective cover, protective covering

Part of: garment

Encyclopedia: Liner, Tom