snowski
n.— «Skateboarders who have not crossed over to snowboarding can rent what’s called a “snowski” to use on the new park. Rost described a snowski as a skateboard deck with no wheels.» —“To skate or snowboard?” by Ramez Khuri HomeTownLife.com (Mich.) Feb. 23, 2006. (source: Double-Tongued Dictionary)