Painting with rollers, perhaps? (8)

I believe the answer is:

seascape

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'painting' is the definition.
(I know that seascape is a type of painting)

I can't explain the remainder of the clue.

(Other definitions for seascape that I've seen before include "Coastal or ocean view" , "Painting of the briny" , "Marine view/picture" , "View of the main" , "off the coast?" .)

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