skateboard: a board with wheels that is ridden in a standing or crouching position and propelled by foot
wheeled vehicle: a vehicle that moves on wheels and usually has a container for transporting things or people
albigensianism: a Christian movement considered to be a medieval descendant of Manichaeism in southern France in the 12th and 13th centuries; characterized by dualism (asserted the coexistence of two mutually opposed principles, one good and one evil); was exterminated for heresy during the Inquisition