Dictionary
chal•cid•i•cum
Pronunciation: (kal-sid'i-kum), [key]—
n.,
—pl. -caPronunciation: (-ku). [key]
1. an annex of an ancient Roman basilica.
2. an annex or appendage, esp. a narthex, of an early Christian basilica.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.