DCHP-1 Online
snow cat 
See quote.
See also: cat ((3)) (def. 1)
- 1960 . . . the snow is brushed and groomed between one day's skiing and the next by tread-driven machines called snow cats.
- 1960 . . . the snow is brushed and groomed between one day's skiing and the next by tread-driven machines called snow cats.