A fluid used to roughen the surface of certain playing cards so that they clump together, used as a preparatory stage for certain card tricks.

A parameter of some vertical wind profile equations that model the horizontal mean wind speed near the ground; in the log wind profile, it is equivalent to the height at which the wind speed theoretically becomes zero.

Citrus jhambiri, a lemon with a rough skin and very sour pulp.

Of a bird: having feathered feet.

Of a bird: having the legs covered with feathers.

Coarse paint laid on after the priming and before the finish.

Having a rough grain or fiber. / (by extension, figuratively) Having coarse traits of character; not polished or refined.

present participle of rough up

Third-person singular simple present indicative form of rough up

Any fish not considered valuable as sport fish nor used as bait or for food.