sail

Definitions

• (nautical) 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.
• (nautical,uncountable) The concept of a sail or sails, as if a substance.
• (uncountable) The power harnessed by a sail or sails, or the use of this power for travel or transport.
• A trip in a boat, especially a sailboat.
• (dated) A sailing vessel; a vessel of any kind; a craft.
• The blade of a windmill.
• A tower-like structure found on the dorsal (topside) surface of submarines.
• The floating organ of siphonophores, such as the Portuguese man-of-war.
• (fishing) A sailfish.
• (paleontology) an outward projection of the spine, occurring in certain dinosaur and synapsid
• Anything resembling a sail, such as a wing.