D defs.my
Entry 1 sense Webster, 1913

Gunnery

/gŭn'-ẽr-ē/ · Gun·ner·y · IPA /ˈɡʌn.əɹ.i/
01 n. That branch of military science which comprehends the theory of projectiles, and the manner of constructing and using ordnance.
  1. 1.
    That branch of military science which comprehends the theory of projectiles, and the manner of constructing and using ordnance.