Review (5-2)
'review' is the definition.
(peering review is a kind of reviewing)
This is the entire clue.
(Other definitions for peer that I've seen before include "Equal; nobleman" , "Noble; look intently" , "Look dimly at lord" , "One entitled" , "Look; earl" .)
'review' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for write-up that I've seen before include "Describe fully" , "Document (one's results)" , "Report, account" , "Published account of something or review" , "Pure wit (anag.)" .)