Feminine form of Greek Arkadios, meaning 'of Arcadia'. The place name Arcadia was derived from arktos = 'bear'.
Arcadia is the name of a play by Tom Stoppard.
The name of the town in the TV show Joan of Arcadia.
'Et in Arcadia ego', Latin quote (from Virgil) meaning 'Death also is in paradise'
Arcadia is the name of a city, on the planet Gallifrey, in the BBC TV series Doctor Who