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