Answer: tarpaulin

AnswerCrossword Clue
TARPAULIN

Waterproof cloth

TARPAULIN

Ground crew's rollout

TARPAULIN

A woodpile may be under it

TARPAULIN
Something for a rainy day.
TARPAULIN
Waterproof canvas.
TARPAULINShower curtain of a sort
TARPAULINWaterproof material
TARPAULINProtection for a truck's cargo