/ ˈpænθiən; NAmE -θiɑːn/ noun
1.
( technical ) all the gods of a nation or people :
the ancient Egyptian pantheon
2.
( formal ) a group of people who are famous within a particular area of activity
3.
a temple (= religious building) built in honour of all the gods of a nation; a building in which famous dead people of a nation are buried or honoured
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WORD ORIGIN
late Middle English (referring especially to the Pantheon, a large circular temple in Rome): via Latin from Greek pantheion , from pan all + theion holy (from theos god).