The Collaborative International Dictionary of English v.0.48:

Conveyor \Con*vey"or\, n. (Mach.)
   A contrivance for carrying objects from place to place; esp.,
   one for conveying grain, coal, etc., -- as a spiral or screw
   turning in a pipe or trough, an endless belt with buckets, or
   a truck running along a rope.
   [1913 Webster]

WordNet (r) 3.0 (2006):

conveyor
    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]