intransitive verb
Definition: To move over snow on skis, which are long, narrow pieces of equipment attached to the feet.
Example: Every winter, we ski in the mountains for fun.
noun
Definition: A long, flat runner made of plastic, metal, or wood that is used for gliding over snow or water.
Example: He put on his skis and went down the snowy slope.
transitive verb
Definition: To move quickly over snow using long, narrow pieces of wood or plastic attached to your feet.
Example: She learned to ski down the steep slopes during her winter vacation.