[trun.cheon] n [ME tronchoun, fr. MF tronchon, fr. (assumed) VL truncion-, truncio, fr. L truncus trunk] (14c) 1: a shattered spear or lance
2. a obs: club, bludgeon b: baton
2. c: a police officer's billy club
[2]truncheon vt (1597) archaic: to beat with a truncheon