arcosolium

noun ar·co·so·li·um \ˌärkəˈsōlēəm\

Definition of arcosolium

plural

arcosolia

\-lēə\
  1. :  an arched cell in a Roman catacomb; especially :  one designed to receive a sarcophagus

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Origin and Etymology of arcosolium

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


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