The Collaborative International Dictionary of English v.0.48:

Abrade \A*brade"\, v. t.
   Same as Abraid. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Abrade \Ab*rade"\, v. t. [imp. & p. p. Abraded; p. pr. & vb.
   n. Abrading.] [L. abradere, abrasum, to scrape off; ab +
   radere to scrape. See Rase, Raze.]
   To rub or wear off; to waste or wear away by friction; as, to
   abrade rocks. --Lyell.
   [1913 Webster]

WordNet (r) 3.0 (2006):

abrade
    v 1: wear away [syn: abrade, corrade, abrase, rub down,
         rub off]
    2: rub hard or scrub; "scour the counter tops" [syn: scour,
       abrade]

Moby Thesaurus II by Grady Ward, 1.0:

151 Moby Thesaurus words for "abrade":
   abate, ablate, abrase, abstract, atomize, bark, bate, beat,
   blemish, bloody, bother, bray, break, brecciate, bug, burn, chafe,
   check, chip, claw, comminute, confuse, contriturate, corrode,
   crack, craze, crumb, crumble, crush, curtail, cut, decrease,
   deduct, depreciate, derogate, detract, diminish, disintegrate,
   disorganize, disparage, distract, disturb, drain, eat away, erase,
   erode, excoriate, exercise, extract, file, file away, flour,
   fracture, fragment, fray, frazzle, fret, gall, gash, gnaw,
   gnaw away, grain, granulate, granulize, grate, graze, grind,
   grind to powder, hurt, impair, incise, injure, irk, lacerate,
   leach, lessen, levigate, maim, make mincemeat of, mash, maul, mill,
   mutilate, perturb, pestle, pierce, pound, powder, provoke,
   pulverize, puncture, purify, rasp, raze, reduce, reduce to powder,
   refine, remove, rend, retrench, rip, rub, rub away, rub off,
   rub out, ruffle, run, rupture, savage, scald, scorch, scotch,
   scour, scrape, scratch, scrub, scrunch, scuff, shard, shorten,
   shred, skin, slash, slit, smash, sprain, squash, stab, stick,
   strain, subduct, subtract, take away, take from, tatter, tear,
   thin, thin out, traumatize, triturate, wear, wear away, wear down,
   wear off, wear out, wear ragged, weather, weed, withdraw, wound,
   wrench