In the Roman architecture a rectangular building, divided into aisles by rows of columns, intended for public functions (trade, administration of justice etc.); also used for meetings of the early Christian communities
Church of considerable importance.
a Roman building used for public administration
an early Christian church designed like a Roman basilica; or a Roman Catholic church or cathedral accorded certain privileges; "the church was raised to the rank of basilica"
an early Christian church designed like a Roman basilica; or a Roman Catholic church or cathedral accorded certain privileges