European in a train wandering around America (8)
I believe the answer is:
austrian
'european' is the definition.
(Austrian is an example)
'a train wandering around america' is the wordplay.
'wandering' indicates an anagram.
'around' is an insertion indicator.
'america' becomes 'us' (abbreviation for the United States**).
'train' anagrammed gives 'trian'.
'trian' enclosing 'us' is 'ustrian'.
'a'+'ustrian'='AUSTRIAN'
'in' is the link.
(Other definitions for austrian that I've seen before include "Nationality of citizen of Vienna" , "Eg, native of Vienna" , "European in an Asian rut" , "Mozart's nationality" , "Hot spicy pod" .)