arcosolium

noun

ar·​co·​so·​li·​um

ˌärkəˈsōlēəm

plural arcosolia

-lēə

: an arched cell in a Roman catacomb

especially : one designed to receive a sarcophagus

Word History

Etymology

New Latin, from arco- (from Latin arcus bow) + Latin solium seat, sarcophagus, from sedēre to sit

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