Simple past tense and past participle of intomb.(verb)
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Use "intombed" in a sentence
"How about a borehole near where the nuke wastes are being intombed?"
"From recent sea-shells being found on two of the higher step-formed plains, which must have been modelled and upraised before the mud was deposited in which the Macrauchenia was intombed, it is certain that this curious quadruped lived long after the sea was inhabited by its present shells."
"Indeed, the idea of being drowned at sea, or dying on shipboard to be intombed in the fathomless ocean, is so abhorrent to many individuals that it is with fear and trembling they trust themselves on the water."