What is "truncheons"

Usage examples of "truncheons".

The assorted weapons- the battered swords, lances, pitchforks, truncheons and even a few rusty fusils - that so many of them carried bore testimony to th equality of their determination, if not its source.

As Eliste gaped in pure disbelief, truncheons swung and bludgeons flailed.

Concentration camps, broken treaties, rubber truncheons, castoroil -- everything is admitted.