trun ‧ cheon /ˈtrʌnʃ ə n/ BrE AmE noun [countable]
[ Date: 1200-1300 ; Language: Old French ; Origin: tronchon 'piece broken or cut off, stump' , from Latin truncus ; ⇨ ↑ trunk ]
especially British English a short thick stick that police officers carry as a weapon SYN nightstick American English