Iceboat in a sentence as a noun

Indeed, "speed made good" directly downwind for sailboats and iceboats has been measured at several times that of wind speed.

Iceboat definitions

noun

a ship with a reinforced bow to break up ice and keep channels open for navigation

See also: icebreaker

noun

a sailing vessel with runners and a cross-shaped frame; suitable for traveling over ice

See also: scooter