A sled, pulled by dogs over ice and snow.
to ride on a dogsled
to race dogsleds
A vehicle on runners, used for conveying loads over the snow or ice. (contrast "sleigh", which is larger)
A small, light vehicle with runners, used recreationally, mostly by children, for sliding down snow-covered hills. (A "sled" in this sense is not pulled by an animal as a "sleigh" is.)
A snowmobile.
To ride a sled.
To convey on a sled.