The Collaborative International Dictionary of English v.0.48:

Sax \Sax\, n. [AS. seax a knife.]
   A kind of chopping instrument for trimming the edges of
   roofing slates.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Zax \Zax\ (z[a^]ks), n.
   A tool for trimming and puncturing roofing slates. [Written
   also sax.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

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

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SAX
       Simple API for XML (API, XML)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SAX
       SUSE Advanced X [configuration tool] (SUSE, Linux)