The Collaborative International Dictionary of English v.0.48:

Kirmess \Kir"mess\, n. [D. kermis; cf. G. kirmes; prop., church
   mass. See Church, and Mass a religious service.]
   In Europe, particularly in Belgium and Holland, and outdoor
   festival and fair; in the United States, generally an indoor
   entertainment and fair combined.
   [1913 Webster]