3. (adj)scrub (of domestic animals) not selectively bred
4. (verb)scrub, scour clean with hard rubbing "She scrubbed his back"
5. (verb)scrub, scrub up wash thoroughly "surgeons must scrub prior to an operation"
6. (verb)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"