a piece of material extended on a mast to catch the wind and propel a boat or ship or other vessel

all the sails were unfurled

the boat can no longer carry that area of sail

a wind-catching apparatus attached to the arm of a windmill

a voyage or excursion in a ship, especially a sailing ship or boat

they went for a sail

the conning tower of a submarine

a canvas sheet or tarpaulin

the sail covering the load of crates broke loose from the truck

travel in a boat with sails, especially as a sport or recreation

Ian took us out sailing on the lake

move smoothly and rapidly or in a stately or confident manner

the ball sailed inside the right-hand post