arcosolium: Meaning and Definition of

ar•co•so•li•um

Pronunciation: (är"ku-sō'lē-um), [key]
— pl. -li•a
  1. (in Roman catacombs) an arched recess for a sarcophagus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.