Entry 4 senses · 2 variants Webster, 1913 Truncheon /trŭn'-chĭn/ · Trun·cheon · IPA /ˈtɹʌnt͡ʃən/ n. v. t. 01 n. A short staff, a club; a cudgel; a shaft of a spear. 1. A short staff, a club; a cudgel; a shaft of a spear. “With his truncheon he so rudely struck.” — Spenser. 2. A baton, or military staff of command. “The marshal's truncheon nor the judges robe.” — Shak. 3. A stout stem, as of a tree, with the branches lopped off, to produce rapid growth. 02 v. t. To beat with a truncheon. 1. To beat with a truncheon.