scrub, chaparral, bush -- (dense vegetation consisting of stunted trees or bushes)
scrub, scrubbing, scouring -- (the act of cleaning a surface by rubbing it with a brush and soap and water)
Overview of verb scrub
The verb scrub has 3 senses
scrub, scour -- (clean with hard rubbing; "She scrubbed his back")
scrub, scrub up -- (wash thoroughly; "surgeons must scrub prior to an operation")
cancel, call off, scratch, scrub -- (postpone indefinitely or annul something that was scheduled; "Call off the engagement"; "cancel the dinner party"; "we had to scrub our vacation plans"; "scratch that meeting--the chair is ill")
Overview of adj scrub
The adj scrub has 1 sense
scrub -- ((of domestic animals) not selectively bred)