Head ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZHead is the term for the topmost part of a sail where the halyard is attached to enable the sail to be hoisted and lowered. Related content: IRPCS: International Regulations for Preventing Collisions at SeaAlternative Meanings: Head Head (heads) refers to the toilet or bathroom on a boat. The heads on a boat may be equipped with a marine toilet designed to safely handle waste while out on the water. « Back to Glossary Index
