A large spar which projects forward from the stem of a vessel Its purpose is to extend the head sails, thereby counteracting the effect of the after sails and keeping the sail plan balanced It is also one of the main supporters of the foremast, which is fastened to it by stays
A spar running forward from the bow of a vessel It functions as a horizontal mast for the spritsail, fore-topmast-staysail and, in conjunction with the jib-boom, the jib