The Collaborative International Dictionary of English v.0.48:

Clachan \Clach"an\, n. [Scot., fr. Gael.]
   A small village containing a church. [Scot.] --Sir W. Scott
   [1913 Webster]

         Sitting at the clachon alehouse.         --R. L.
                                                  Stevenson.
   [1913 Webster]