Simple past tense and past participle of coffin.(verb)
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Use "coffined" in a sentence
"I felt panic rise from my stomach to my chest, the acute anxiety of not knowing my father anymore, of being coffined, in this black cab, this hearse, taking us past all the street signs: food store, bank, leftover generic storefronts from Communism, through the hilly dark in a country where nobody spoke our language."
"The people of Cho-Sen are fanatical ancestor-worshippers, and that old pirate of a booty-lusting Dutchman, with his four cunies, in far Kyong-ju, did no less a thing than raid the tombs of the gold-coffined, long-buried kings of ancient Silla."
"He was wild with fear, and he thrust out with the point of his paddle to fend off the coffined alii that seemed bent to come on board."