Kirk/kɜːrk/ Definition 1 of 2Pro Tip 1/3Scottish Heritage Kirk is deeply rooted in Scottish history and culture. The ancient kirk stands as a landmark of our heritage. Pro Tip 2/3Not Just Any Church While 'kirk' means church, it typically references Protestant churches in Scotland. We're getting married in an old kirk in Edinburgh. Pro Tip 3/3Colloquial Term Kirk is informal and used more in spoken conversation than in formal writing. I'll see you at the kirk this weekend.