Examine part of Tuscany (4)
I believe the answer is:
scan
'examine' is the definition.
(I know that scan is a more specific form of the action search)
'part of tuscany' is the wordplay.
'part of' indicates a hidden word.
'SCAN' is hidden in the letters of 'tuscany'.
(Other definitions for scan that I've seen before include "Browse or skin over, say book" , "show in this?" , "Survey, maybe by X-ray" , "Conform to rules of poetic metre" , "Take a quick look" .)