Jib
![The barque Alexander von Humboldt, with four jibs set and a fifth furled on the bowsprit](/Images/godic/202501/20/Alexander_von_Humboldt_1_bearbeitet4904.JPG")
A jib is a triangular staysail that sets ahead of the foremast of a sailing vessel. Its tack is fixed to the bowsprit, to the bow, or to the deck between the bowsprit and the foremost mast. Jibs and spinnakers are the two main types of headsails on a modern boat.