Wandering in I natter, wandering (9)
I believe the answer is:
itinerant
'wandering' is the definition.
(I've seen this before)
'wandering in i natter' is the wordplay.
'wandering' indicates anagramming the letters.
'in'+'i'+'natter'='ininatter'
'ininatter' anagrammed gives 'ITINERANT'.
(Other definitions for itinerant that I've seen before include "Wandering from place to place" , "Old labourer/traveller who travelled from place to place" , "Tie-in rant to a traveller" , "Travelling around" , "Nomadic" .)