Definition of "ski"

ski

/skiː/

noun
plural skis
1. One of a pair of long flat runners designed for gliding over snow or water.
2. (aviation) One of a pair of long flat runners under some flying machines, used for landing.
verb
third-person singular simple present skis or skies, present participle skiing, simple past and past participle skied
1. (intransitive) To move on skis.
2. (transitive) To travel over (a slope, etc.) on skis; to travel on skis at (a place), (especially as a sport).