Meaning

noun (baseball) a hit that flies straight out from the batter

noun a protective covering that protects an inside surface

noun a piece of cloth that is used as the inside surface of a garment

originEtymology tree Middle French lignerbor. English line Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English liner From line (verb) + -er.

Etymology from Wiktionary, CC BY-SA 3.0