The Collaborative International Dictionary of English v.0.48:

Pavior \Pav"ior\, n.
   1. One who paves; a paver.
      [1913 Webster]

   2. A machine for laying pavement; a rammer for driving paving
      stones.

   Syn: paviour, paving machine.
        [1913 Webster]

   3. A brick or slab used for paving.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Paver \Pav"er\, n.
   One who paves; one who lays a pavement. [Written also
   pavier and pavior.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

pavior
    n 1: a machine for laying pavement [syn: pavior, paviour,
         paving machine]