The  Pantheon  (pronounced  /pænˈθiː.ən/  or  /ˈpænθi.ən/  (UK), [ 1 ]  or  /ˈpænθiːɑːn/  (USA),  Latin :  Pantheon , [ nb 1 ]  from  Greek :  Πάνθειον , an adjective meaning "to every god" (with the Greek word for temple, ἱερόν ["hieron"], understood) is a building in  Rome , commissioned