Definition of pantheons:
(n) :
(mythology) All the gods of a particular people or religion, particularly the ancient Greek gods residing on Olympus, considered as a group.
(n) :
(religion) A temple dedicated to all the gods.
(n) :
(by extension) A category or classification denoting the most honored persons of a group.
(n) :
The circular Roman temple dedicated to all the gods in 27 BCE in Rome, rebuilt c. 125 CE and later consecrated as a church.