Source : Webster's Revised Unabridged Dictionary (1913)

Sax \Sax\, n. [AS. seax a knife.]
   A kind of chopping instrument for trimming the edges of
   roofing slates.

Source : WordNet®

Sax
     n 1: a Belgian maker of musical instruments who invented the
          saxophone (1814-1894) [syn: {Adolphe Sax}]
     2: a single-reed woodwind with a conical bore [syn: {saxophone}]