- A triangular sail that is set at the bow of a sailing vessel, used to change the direction of the wind.
- A spar projecting from the bow of a ship or boat, used to change the direction of the wind on the sails.
From old english gieb, of unknown origin.
- The sailor hoisted the jib to change the direction of the wind.
- The jib is used to help balance the mainsail on a sailboat.
- The jib is the forward-most sail on a sloop-rigged boat.
- The jib is controlled by a sheet, which is a rope used to change the angle of the sail to the wind.
- A jib is useful in maneuvering into the wind, as it allows the boat to point closer to the wind than it would otherwise be able to.