Public school (4)
'public school' is the definition.
(Eton College)
This is the entire clue.
(Other definitions for eton that I've seen before include "Public school, established in 1440" , "learn here?" , "School near Slough" , "Public school near Windsor" , "Public school founded by Henry VI" .)
'public school' is the definition.
(English public school)
This is all the clue.
(Other definitions for harrow that I've seen before include "Soil cultivator - English public school" , "Plough, school" , "Agricultural device" , "Cultivator that pulverizes or smooths soil" , "Cultivator that breaks up the soil" .)