We don't have synonyms for basilicas yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are basilica, basilicata and basiliscus.
(n) :
(architecture) A Christian church building having a nave with a semicircular apse, side aisles, a narthex and a clerestory.
(n) :
A Roman Catholic church or cathedral with basilican status, an honorific status granted by the pope to recognize its historical, architectural, or sacramental importance.
(n) :
(obsolete) An apartment provided in the houses of persons of importance, where assemblies were held for dispensing justice; hence, any large hall used for this purpose.
(n) :
(architecture) A Christian church building having a nave with a semicircular apse, side aisles, a narthex and a clerestory.
(n) :
A Roman Catholic church or cathedral with basilican status, an honorific status granted by the pope to recognize its historical, architectural, or sacramental importance.
(n) :
(obsolete) An apartment provided in the houses of persons of importance, where assemblies were held for dispensing justice; hence, any large hall used for this purpose.