"__ Pinafore" (3)
'pinafore' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for apron that I've seen before include "Paved area where aircraft are parked" , "Protective garment worn at front" , "area in front of aircraft hangar" , "Airport area for manoeuvring and loading planes" , "Garment for protection" .)
'pinafore' is the definition.
(I've seen this in another clue)
This is all the clue.