n. — Sports, Ontario, Prince Edward Island
an ice rink used for skating or playing winter sports.
Type: 3. Semantic Change — In Canada, the term designates a skating rink, usually an artificial one. This use is found in other locations, but is most prevalent in Canada (see Chart 1). Regional domain searches indicate that the term is most common in Ontario compared to the other provinces and territories (see Chart 2).
See also COD-2, s.v. "ice pad", which is marked "Cdn", and OED-3, s.v. "ice pad" (2), which is marked "N. Amer.".
Images:

Chart 1: Internet Domain Search, 14 Aug. 2012 
Chart 2: Regional Domain Search,6 Aug. 2013