D defs.my
Entry 1 sense Webster, 1913

Derringer

/dĕr'-ən-jẽr/ · Der·rin·ger · IPA /ˈdɛɹɪndʒə(ɹ)/
01 n. A kind of short-barreled pocket pistol, of very large caliber, often carrying a half-ounce ball.
  1. 1.
    A kind of short-barreled pocket pistol, of very large caliber, often carrying a half-ounce ball.