Rigging a ship to sail directly into the wind.
When a boat is sailing as close to the wind as she can.
Sailing as directly into the wind as possible.
The optimum angle a boat sails upwind.
sailing close to the wind with sails pulled in.
That trim of the ship's sails, when she endeavours to make a progress in the nearest direction possible towards that point of the compass from which the wind blows.
Sailing as close to the wind as possible.
The point of sail with the bow of the boat as close as possible to the wind.