Source : Webster's Revised Unabridged Dictionary (1913)

Kirk \Kirk\, n. [Scot.; cf. Icel. kirkja, of Greek origin. See
   {Church}.]
   A church or the church, in the various senses of the word;
   esp., the Church of Scotland as distinguished from other
   reformed churches, or from the Roman Catholic Church. [Scot.]
   --Jamieson.

Source : WordNet®

kirk
     n : a Scottish church