forestaysail

As nouns the difference between terms and forestaysail

is that terms is while forestaysail is (nautical) a triangular sail attached to the forestay.

In nautical terms the difference between forestay and forestaysail

is that forestay is a stay that extends from the top of the foremast to the bow or bowsprit of a sailing ship while forestaysail is a triangular sail attached to the forestay.

As a verb forestay

is to stay beforehand; secure or fasten with or as with a forestay.

In nautical terms the difference between sail and forestaysail

is that sail is a piece of fabric attached to a boat and arranged such that it causes the wind to drive the boat along. The sail may be attached to the boat via a combination of mast, spars and ropes while forestaysail is a triangular sail attached to the forestay.

As a verb sail

is to be impelled or driven forward by the action of wind upon sails, as a ship on water; to be impelled on a body of water by steam or other power.

As an adjective triangular

is shaped like a triangle.

As a noun forestaysail is

(nautical) a triangular sail attached to the forestay.