The Collaborative International Dictionary of English v.0.48:

Bondman \Bond"man\ (-man), n.; pl. Bondmen (-men).
   [Bond,a.orn.+ man.]
   1. A man slave, or one bound to service without wages. "To
      enfranchise bondmen." --Macaulay.
      [1913 Webster]

   2. (Old Eng. Law) A villain, or tenant in villenage.
      [1913 Webster] bond-servant

WordNet (r) 3.0 (2006):

bondman
    n 1: a male bound to serve without wages [syn: bondman,
         bondsman]
    2: a male slave [syn: bondman, bondsman]