See heads of department at the EGM (4)
I believe the answer is:
date
'see' is the definition.
(I know that see can be written as date)
'heads of department at the egm' is the wordplay.
'heads of' indicates taking the first letters.
The initial letters of 'department at the egm' is 'DATE'.
(Other definitions for date that I've seen before include "retrieved from palmtop?" , "Oval fruit" , "sell-by, for example" , "Sweet edible fruit" , "Specified day" .)