ski /skiː/noun 3verb 2forms 5phrases 1 noun3 •a long flat board worn under each foot for moving quickly over snowWe skied back the way we had come for about thirty minutes when I saw her. Mary was hanging upside down by the tips of her skies from a tree well. — 2014 •One of a pair of long flat runners under some flying machines, used for landing. •A trip made by skiing. verb2 •To move on skis.We skied back the way we had come for about thirty minutes when I saw her. Mary was hanging upside down by the tips of her skies from a tree well. — 2014 •To travel over (a slope, etc.) on skis; to travel on skis at (a place), (especially as a sport).We spent the winter holidays skiing the Alps formsski'd · skied · skiing · skies · skis Phrases with ski ski-jump noseA long nose with an inwardly curving ridge and a tip that curves somewhat upward, resembling the shape of a downhill ramp used in the sport of ski jumping.