A jibe or gybe is a sailing maneuver where a sailing vessel (which is sailing in the same direction as the wind) turns its stern through the wind, such that the wind direction changes from one side of the boat to the other. For square-rigged ships, this maneuver is called wearing ship.
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Some articles on jibe:
... take tremendous force if used properly, but it prevents the boom from starting a jibe if the wind shifts or the boat rolls ... Brake, which not only prevents unwanted jibes, but allows a slow measured jibe by modulating the tension on the brake ... A pair of Anti-Jibe Preventer lines that prevents the boom from rotating during an accidental Jibe or Gybe ...
... boat upwind and tacking through more than 180 degrees to avoid having to jibe on a downwind course ... a square-rigged vessel, in which the vessel jibes to avoid the problems that square-rigged vessels face when tacking ... the somewhat demeaning term, use a "chicken jibe" in heavier winds, or with inadequate crew or helmsman experience ...
... preventer's cleat the whole time ready to catch an early jibe during this stage of the manoeuvre ... is important that all crew are safe from where the boom may swing, and a call of "Jibe-ho" is a traditional last warning for this ... point, a slight steering adjustment will actually jibe the sail ...
More definitions of "jibe":
- (verb): Be compatible, similar or consistent; coincide in their characteristics.
Synonyms: match, fit, correspond, check, gibe, tally, agree