scrub
1. scrub \'skr*b\ n [ME, alter. of schrobbe shrub - more at SHRUB] often attrib 1a: a stunted tree or shrub 1b: vegetation consisting chiefly of such scrubs 1c: a tract covered with such vegetation 2: a domestic animal of mixed or unknown parentage and usu. inferior confor mation : MONGREL 3: a person of insignificant size or standing 4: a player not belonging to the first string 2. scrub vb or scrubbed; or scrub.bing [of LG or Scand origin; akin to MLG & MD schrubben to scrub, Sw skrubb]a 1a1: to clean with hard rubbing : SCOUR 1a2: to remove by scrubbing 1b: to subject to friction : RUB 2: WASH 3: CANCEL, ELIMINATE : to use hard rubbing in cleaning 3. scrub n 1: an act or instance of scrubbing 2: one that scrubs
Webster's English Dictionary