The Collaborative International Dictionary of English v.0.48:

Stubble \Stub"ble\, n. [OE. stobil, stoble, OF. estouble,
   estuble, F. ['e]tuele, LL. stupla, stupula, L. stipula
   stubble, stalk; cf. D. & G. stopped, OHG. stupfila. Cf.
   Stipule.]
   The stumps of wheat, rye, barley, oats, or buckwheat, left in
   the ground; the part of the stalk left by the scythe or
   sickle. "After the first crop is off, they plow in the wheast
   stubble." --Mortimer.
   [1913 Webster]

   Stubble goose (Zool.), the graylag goose. [Prov. Eng.]
      --Chaucer.

   Stubble rake, a rake with long teeth for gleaning in
      stubble.
      [1913 Webster]

WordNet (r) 3.0 (2006):

stubble
    n 1: material consisting of seed coverings and small pieces of
         stem or leaves that have been separated from the seeds
         [syn: chaff, husk, shuck, stalk, straw,
         stubble]
    2: short stiff hairs growing on a man's face when he has not
       shaved for a few days

Moby Thesaurus II by Grady Ward, 1.0:

90 Moby Thesaurus words for "stubble":
   Vandyke, afterglow, afterimage, balance, barb, barbel, beard,
   beaver, bones, bristle, bristles, butt, butt end, candle ends,
   chaff, culm, deadwood, debris, detritus, dishwater, down, draff,
   dregs, dust, end, fag end, filings, fossil, garbage, gash, goatee,
   hogwash, holdover, husks, imperial, leavings, lees, leftovers,
   odds and ends, offal, offscourings, orts, parings, peach fuzz,
   potsherds, rags, raspings, refuse, relics, remainder, remains,
   remnant, residue, residuum, rest, roach, rubbish, ruins, rump,
   sawdust, scourings, scrap iron, scraps, scum, setula, setule,
   shadow, shards, shavings, side whiskers, slack, slag, slop, slops,
   straw, striga, stump, survival, sweepings, swill, tares, trace,
   tuft, vestige, wastage, waste, waste matter, wastepaper, weeds,
   whiskers