The Collaborative International Dictionary of English v.0.48:

Pullback \Pull"back`\, n.
   1. That which holds back, or causes to recede; a drawback; a
      hindrance.
      [1913 Webster]

   2. (Arch) The iron hook fixed to a casement to pull it shut,
      or to hold it party open at a fixed point.
      [1913 Webster]

WordNet (r) 3.0 (2006):

pullback
    n 1: a device (as a decorative loop of cord or fabric) for
         holding or drawing something back; "the draperies were
         drawn to the sides by pullbacks" [syn: pullback,
         tieback]
    2: (military) the act of pulling back (especially an orderly
       withdrawal of troops); "the pullback is expected to be over
       25,000 troops"

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "pullback":
   avoidance, bitter-ender, conservative, cringe, curtailment, cut,
   cutback, disengagement, dodge, duck, evasion, fallback, flinch,
   fundamentalist, old liner, pullout, recoil, reculade, retirement,
   retreat, retrenchment, right-winger, rightist, rollback, shy,
   sidestep, sidestepping, standpat, standpatter, tory, wince,
   withdrawal, withdrawment