See actor rejecting each part (6)
I believe the answer is:
sector
'part' is the definition.
(I have seen 'Distinctive part ' mean 'sector' so perhaps 'part' could also mean 'sector')
'see actor rejecting each' is the wordplay.
'rejecting' indicates named letters should be taken away.
'each' becomes 'ea' (abbreviation).
'see'+'actor'='seeactor'
'seeactor' with 'ea' taken out is 'SECTOR'.
(Other definitions for sector that I've seen before include "Part of circle between radii" , "District" , "Area covered by corset" , "Corset (anag) - part of a circle" , "Escort in zone" .)