Each of a pair of (usually small) skis, fitted with a small wheel at each end, and used for skiing on tarmac, grass, and other dry surfaces.

A ski with a seat fitted on top; spec.: one designed to be used by skiers with limited or no mobility in their legs.

A type of long ski. Usually in plural (except in attributive use).

A single ski on which both feet are placed (parallel and pointing forwards); the sport of skiing on a monoski.

a short ski mounted on small wheels or rollers used as one of a pair for skiing down grass- or straw-covered slopes.

A type of ski used for downhill skiing, shorter than a traditional ski, usually about one metre in length and used without ski-poles. Cf. snowblading…