en·tomb \ə̇n.ˈtüm, en.-\transitive verb Etymology: Middle English entoumben, from Middle French entomber, from en- en- (I) + tombe tomb — more at tomb 1.: to deposit in a tomb : bury, inter, inhume < sixty men were entombed by the mine explosion > 2.: to serve as a tomb for < a rocky hillside entombs the fallen hero > < the sea entombs the lost schooner and her crew >