truncheon

noun

1. A short staff, a club; a cudgel.

   “with his troncheon he so rudely stroke / Cymochles twise”

   “One is a large ball of iron, fastened with three chains to a strong truncheon or staff of about two feet long; the other is of mixed metal, in the form of a channelled melon, fastened also to a staff by a triple chain; these balls weigh eight pounds.”

2. A baton, or military staff of command, now especially the stick carried by a police officer.

   “Not the king's crown, nor the deputed sword / The marshal's truncheon, nor the judge's robe / Become them with one half so good a grace / As mercy does.”

   “The imputed virtue of folios full of knockdown arguments is supposed to reside in them, just as some of the majesty of the British Empire dwells in the constable’s truncheon.”

3. (obsolete)A fragment or piece broken off from something, especially a broken-off piece of a spear or lance.

   “Therewith asunder in the midst it brast, / And in his hand nought but the troncheon left[…].”

4. (obsolete)The shaft of a spear.
5. (obsolete)A stout stem, as of a tree, with the branches lopped off, to produce rapid growth.

   “Truncheons of seven or eight feet long, thrust two feet into the earth […] when once rooted, may be cut at six inches above ground”

6. (euphemistic)A penis.

   “Then, being on his knees between my legs, he drew up his shirt and bared all his hairy thighs, and stiff staring truncheon, red-topt and rooted into a thicket of curls”

verb

1. (transitive)To strike with a truncheon.

   “If captains were of my wind they would truncheon you out”