Term: Headsail Image: [{"name":"images\/public\/dictionary\/Headsail_8wrviqsd.jpg","usrName":"Headsail.jpg","size":138977,"type":"image\/jpeg","thumbnail":"images\/public\/dictionary\/thHeadsail_gtsmt3bv.jpg","thumbnail_type":"image\/jpeg","thumbnail_size":47541,"searchStr":"Headsail.jpg,!:sStrEnd"}] Definition: Any sail set forward of the mast.