Priest crossing China arrives at island (2,5)
I believe the answer is:
la palma
'island' is the definition.
(Canary island)
'priest crossing china' is the wordplay.
'priest' becomes 'lama' (lama is a kind of priest).
'crossing' means one lot of letters goes inside another.
'china' becomes 'pal' (china plate is Cockney rhyming slang for mate).
'lama' going around 'pal' is 'LA PALMA'.
'arrives at' is the link.
(Other definitions for la palma that I've seen before include "Island of the Canaries" , "one of the Canary Islands" , "Spanish island" , "A Canary Island" .)