Source : Webster's Revised Unabridged Dictionary (1913)

Scottish \Scot"tish\, a. [From {Scot} a Scotchman: cf. AS.
   Scyttisc, and E. {Scotch}, a., {Scots}, a.]
   Of or pertaining to the inhabitants of Scotland, their
   country, or their language; as, Scottish industry or economy;
   a Scottish chief; a Scottish dialect.

Source : WordNet®

Scottish
     n : the dialect of English used in Scotland [syn: {Scots}, {Scots
         English}]

Scottish
     adj : of or relating to or characteristic of Scotland or its
           people or culture or its English dialect or Gaelic
           language; "Scots gaelic"; "the Scots community in New
           York"; "`Scottish' tends to be the more formal term as
           in `The Scottish Symphony' or `Scottish authors' or
           `Scottish mountains'"; "`Scotch' is in disfavor with
           Scottish people and is used primarily outside Scotland
           except in such frozen phrases as `Scotch broth' or
           `Scotch whiskey' or `Scotch plaid'" [syn: {Scots}, {Scotch}]