n. [ OE. tronchoun the shaft of a broken spear, broken piece, OF. tronchon, tron&unr_;on, F. tron&unr_;on, fr. OF. & F. tronce, tronche, a piece of wood; cf. OF. trons, tros, trois; all perhaps from L. thyrsus a stalk, stem, staff. See Thyrsus, and cf. Trounce. ]
With his truncheon he so rudely struck. Spenser. [ 1913 Webster ]
The marshal's truncheon nor the judges robe. Shak. [ 1913 Webster ]
v. t. To beat with a truncheon. Shak. [ 1913 Webster ]
a. Having a truncheon. [ 1913 Webster ]
n. A person armed with a truncheon.