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ARCOSOLIUM

An arched recess used as a burial place in the catacombs. Sometimes the marble slab placed horizontally over the opening was decorated with symbolic frescoes and used as an altar for the celebration of the Mass. (Etym. Latin arcus, bow, arch + solium, a throne, royal seat; a seat.)

All items in this dictionary are from Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

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