Definition of "violin"

A small unfretted stringed instrument with four strings tuned (lowest to highest) G-D-A-E, usually held against the chin and played with a bow.  quotations  examples

(inexact, sometimes proscribed) Any instrument of the violin family, always inclusive of violins, violas, and cellos and sometimes further including the double bass.  examples

(music, metonymically) The position of a violinist in an orchestra or group.  examples

(transitive, intransitive) To play on, or as if on, a violin.  examples