truncheon
1. trun.cheon \'tr*n-ch*n\ n [ME tronchoun, fr. MF tronchon, fr. (assumed) VL truncion-, (Xtruncio, fr. L truncus trunk 1: a shattered spear or lance obs 2a: CLUB, BLUDGEON 2b: BATON 2c: a policeman's billy 2. truncheon vt archaic : to beat with a truncheon