The Collaborative International Dictionary of English v.0.48:

Conveyer \Con*vey"er\, n.
   1. One who, or that which, conveys or carries, transmits or
      transfers.
      [1913 Webster]

   2. One given to artifices or secret practices; a juggler; a
      cheat; a thief. [Obs.] --Shak.
      [1913 Webster]

WordNet (r) 3.0 (2006):

conveyer
    n 1: a person who conveys (carries or transmits); "the conveyer
         of good tidings" [syn: conveyer, conveyor]
    2: a moving belt that transports objects (as in a factory) [syn:
       conveyer belt, conveyor belt, conveyer, conveyor,
       transporter]