The Collaborative International Dictionary of English v.0.48:

Rink \Rink\, n. [Scot. renk, rink, rynk, a course, a race;
   probably fr. AS. hring a ring. See Ring.]
   1. The smooth and level extent of ice marked off for the game
      of curling.
      [1913 Webster]

   2. An artificial sheet of ice, generally under cover, used
      for skating; also, a floor prepared for skating on with
      roller skates, or a building with such a floor.
      [1913 Webster]

WordNet (r) 3.0 (2006):

rink
    n 1: building that contains a surface for ice skating or roller
         skating [syn: rink, skating rink]