From WordNet (r) 2.0 (August 2003) [wn]:
kirk
n : a Scottish church
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Kirk \Kirk\ (k[~e]rk), 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.
[1913 Webster]