Illustrated Companion to the Latin Dictionary/Factor

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

FACTOR. A term used at the game of ball, which went by the name of datatim ludere, or catch-ball; and given to the player who threw the ball upon receiving it from the dator. Plaut. Curc. ii. 3. 18.