Noun change

Singular
snowmobile

Plural
snowmobiles

 
A snowmobile tour at Yellowstone National Park.
  1. (vehicle) A snowmobile is a vehicle with skis at the front and a caterpillar track at the rear, used for travelling over snow.

Verb change

Plain form
snowmobile

Third-person singular
snowmobiles

Past tense
snowmobiled

Past participle
snowmobiled

Present participle
snowmobiling

  1. (intransitive) To ride or race in a snowmobile.