Simple past tense and past participle of truncheon.(verb)
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Use "truncheoned" in a sentence
"He hunched his shoulders, like a protester about to be truncheoned by Chicago's finest."
"And he halted, in unfeigned respect for the burly and impressive figure, garbed in blue and brass, helmeted and truncheoned, bull's-eye shining on breast like the"
"At around 6pm I received the following text from my friend: "Just off to cast my vote with the memory of proud miners being truncheoned by"