Simple past tense and past participle of besom.(verb)
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Use "besomed" in a sentence
"I left San Francisco blanketed in grey fog and besomed by a roaring wind; when I opened my eyes I was in a land of spacious sky and broad, clean sunshine."
"It swept the ground in driving gust on gust, swept and besomed it bare of life."
"The dried flakes of yellow mud, first besomed and then brushed, raised such a dust, that in the dust, man and horse were lost."