Entering a foreign country (9)
I believe the answer is:
argentine
'country' is the definition.
(I've seen this before)
'entering a foreign' is the wordplay.
'foreign' indicates an anagram (foreign order of the letters).
'entering'+'a'='enteringa'
'enteringa' anagrammed gives 'ARGENTINE'.
(Other definitions for argentine that I've seen before include "South American" , "like silver" , "Strange tangerine from S. American country" , "National" , "silvery" .)