Webster's Revised Unabridged Dictionary · 1913

Truncheon

Truncheon , noun

[Old English tronchoun the shaft of a broken spear, broken piece, Old French tronchon, tron{not transcribed}on, French tron{not transcribed}on, from Old French & French tronce, tronche, a piece of wood; compare Old French trons, tros, trois; all perhaps from Latin thyrsus a stalk, stem, staff. See Thyrsus, and compare Trounce.]

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. — Shakespeare
3.
A stout stem, as of a tree, with the branches lopped off, to produce rapid growth. — Gardner

Truncheon , transitive verb

To beat with a truncheon. — Shakespeare