noun, plural chal·cid·i·ca [kal-sid-i-kuh] /kælˈsɪd ɪ kə/.
an annex of an ancient Roman basilica.
an annex or appendage, especially a narthex, of an early Christian basilica.
Origin of chalcidicum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for chalcidicum
In fine, the Chalcidicum was the smaller Exchange, and the niches still seen there must have been the stands of the auctioneers.The Wonders of Pompeii|Marc Monnier