The Collaborative International Dictionary of English v.0.48:

Leavings \Leav"ings\, n. pl.
   1. Things left; remnants; relics.
      [1913 Webster]

   2. Refuse; offal.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

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