D defs.my
Entry 3 senses Webster, 1913

Gunner

/gŭn'-ẽr/ · Gun·ner · IPA /ˈɡʌn.ɚ/
01 n. One who works a gun or cannon, whether on land, sea, or in the air; a cannoneer.
  1. 1.
    One who works a gun or cannon, whether on land, sea, or in the air; a cannoneer.
  2. 2.
    A warrant officer in the navy having charge of the ordnance on a vessel.
  3. 3.
    The great northern diver or loon. See Loon.(Zool.) [Prov. Eng. or Irish] See: Loon
Phrases & compounds
Gunner's daughter — the gun to which men or boys were lashed for punishment.
tail gunner — A member of the crew of a bomber airplane who operates the defensive gun at the rear of the airplane.