Easton's Bible Dictionary (1897)
1 Sam. 20:40, (Heb. keli, meaning “apparatus;” here meaning collectively any missile weapons, as arrows and lances. In Revised Version, “weapons”). This word is derived from the Latin artillaria = equipment of war.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
ARTIL'LERY. 1 Sam 20:40. Any missile weapons, as arrows, lances, etc. See Arms.