The Collaborative International Dictionary of English v.0.48:

Glazier \Gla"zier\, n. [From Glaze.]
   One whose business is to set glass.
   [1913 Webster]

   Glazier's diamond. See under Diamond.
      [1913 Webster]

WordNet (r) 3.0 (2006):

glazier
    n 1: someone who cuts flat glass to size [syn: glass cutter,
         glass-cutter, glassworker, glazier, glazer]