scrub

An act of scrubbing something.

"The sink needs a good scrub."

Surgical clothing worn by medical staff.

"The doctor changed into his scrubs."

To clean something by rubbing it hard, typically with a brush and water.

"I had to scrub the floor to remove the stain."

Low, stunted trees or bushes; also, land covered with these.

"The hikers struggled through the dense scrub."