Ski Definition

skē

skied, skiing, skis

noun

A long, thin runner of wood, metal, or now usually fiberglass, that is fastened to a kind of boot (ski boot) and used in pairs to glide over snow.

Webster's New World

Webster's New World

Something that is used as a runner on a vehicle.

A helicopter with skis for landing on snow and ice.

American Heritage

verb

To travel on skis by gliding over the snow.

Webster's New World

To travel over on skis.

Webster's New World

To engage in the sport of gliding down snow-covered inclines on skis.

Webster's New World

Webster's New World

suffix

(informal, humorous) Added to a word, name, or phrase to invoke Russianness.

Wiktionary

Other Word Forms of Ski

Singular:

ski

Plural:

skis

From Norwegian ski, related to Old Norse skíð (“stick of wood, snowshoe"), from Proto-Germanic *skÄ«dÄ… (“stick"), from Proto-Indo-European root *skei- (“to cut, split") (see also shed). Cognate with Old English scid (“stick of wood") (obsolete English shide), Old High German skit (Modern German Scheit (“log")).

From Wiktionary
USA, from Russian -ский (-skij, “adjectival suffix”), perhaps influenced by Russki or other -ski ending terms such as Russian surnames.

From Wiktionary
Norwegian from Old Norse skīdh stick, snowshoe skei- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition