Emily Dickinson Lexicon

AM-MU-NI'TION, n. [L. ad and munitio, from munio, to fortify.]

Military stores, or provisions for attack or defense. In modern usage, the signification is confined to the articles which are used in the discharge of fire-arms and ordnance of all kinds; as powder, balls, bombs, various kinds of shot, &c. Ammunition-bread, bread or other provisions to supply troops.