noun, plural di·a·con·i·ca [dahy-uh-kon-i-kuh] /ˌdaɪ əˈkɒn ɪ kə/.
Examples from the Web for diaconicon
The prothesis and the diaconicon are represented by chapels to north and south of the apse.
The two smaller compartments and apses at the sides of the bema were sacristies, the diaconicon and prothesis.
The position of the prothesis and diaconicon in particular is identical in the two churches.
It is covered either with a barrel or with a cross-groined vault, and communicates with the prothesis and the diaconicon.
It has neither prothesis nor diaconicon of its own, but communicates with the original diaconicon of the main church.