Waterproof fabric (9)
'waterproof fabric' is the definition.
'tarpaulin' can be an answer for 'fabric' (tarpaulin is a kind of fabric). I also know that 'waterproof' relates to this answer.
This is the entire clue.
(Other definitions for tarpaulin that I've seen before include "waterproof material" , "oilskin hat" , "protective headgear" , "Waterproof cloth" , "[SHHET]" .)
'waterproof fabric' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for oilskin that I've seen before include "security for a rainy day" , "protective cloth" , "Protective coat" , "foul weather item" , "protective cover" .)