skis

from The Collaborative International Dictionary of English v.0.48
Ski \Ski\ (sk[=e]), n.; pl. {skis} (sk[=e]z). [Dan. ski; Icel.
   sk[imac][eth] a billet of wood. See {Skid}.]
   A long, flat, narrow runner made of wood, plastic or metal,
   curved upwards in front, having a fitting allowing it to be
   attached to the foot, and used for gliding or sliding over
   snow. Commonly used in the plural, to designate the pair.
   [Also spelled {skee}.]
   [Webster 1913 Suppl. +PJC] Skiagraph
    

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