Pith helmet (4)
'pith helmet' is the definition.
(synonyms)
This is all the clue.
(Other definitions for topi that I've seen before include "African antelope" , "Large antelope; pith hat" , "Indian sun hat made with pith from sola plants" , "that goes ahead" , "Sun protection" .)
'pith helmet' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for topee that I've seen before include "Headgear" , "Tropical sun hat" .)