Entry 1 sense Webster, 1913 Gan /găn/ · IPA /ɡæn/ 01 imp. Began; commenced. 1. Began; commenced. “This man gan fall (i.e., fell) in great suspicion.” — Chaucer. “The little coines to their play gunne hie (i. e., hied).” — Chaucer. “Yet at her speech their rages gan relent.” — Spenser.