The Collaborative International Dictionary of English v.0.48:

Pitman \Pit"man\, n.; pl. Pitmen.
   1. One who works in a pit, as in mining, in sawing timber,
      etc.
      [1913 Webster]

   2. (Mach.) The connecting rod in a sawmill; also, sometimes,
      a connecting rod in other machinery.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Pitman
    n 1: English educator who invented a system of phonetic
         shorthand (1813-1897) [syn: Pitman, Sir Isaac Pitman]
    2: someone who works in a coal mine [syn: coal miner,
       collier, pitman]