headlineAny of various type of rope used to attach a sail to a yard.
headlinerThe headlining band or performer at a concert or similar event; the best-known and first billed musician, comedian, etc., often performing as the final act of the evening.
headlineseThe jargon used in headlines of newspapers, often with unconventional grammar driven mainly by extreme brevity as a constraint of the medium.
headmarkThe distinction or peculiarity of the head, face, or features used in distinguishing each individual of a given species; personal appearance; facial features.
headprintThe impression left by a head having been pressed against a soft surface, such as sand, snow, or a pillow.
headquarterTo provide (an organization) with headquarters.
headquarteredif an organization is headquartered somewhere, it has its headquarters in that place
headquartersThe military installation from which troops are commanded and orders are issued; the military unit consisting of a commander and his support staff.
headraceThe part of a millrace that brings water to the millwheel.
headrailThe supporting rail of a blind (such as a Venetian blind) that encloses its mechanism; a headbox.
headrestThe part of a seat designed to support the sitter's head.
headscissorsA hold in which a wrestler wraps his or her legs around either side of the opponent's head, crossing them under the opponent's chin, and squeezing.
headsetA pair of headphones or earphones, or a singular headphone or earphone, typically with an attached microphone.
headshuntA short length of track, provided to release locomotives at terminal platforms, or to allow shunting to take place clear of main lines.
headsignThe sign on the front of a bus or train indicating its direction, destination, route number, or other pertinent information.
headsitAn extreme backbend in which the top of the performer's head touches the buttocks; usually in a handstand or chest stand. Sometimes, a more extreme variation is done where the buttocks are positioned past the performer's head, while the lower back is on top of the head; this requires much more neck flexibility.
headstageA piece of equipment, tethered to the head of a laboratory animal, that allows multiple channels of brain activity to be monitored and recorded
headstallThe part of a bridle that fits over a horse's head and supports other elements.
headstampThe identification marking on the base (bottom) of a cartridge casing.
headtorchA torch (flashlight) worn on the head, thus leaving the hands free.
headtrackingA technique that tracks the movements of the user's head and adjusts the view of a three-dimensional model accordingly, allowing them to look at it from different angles like a solid object.
headwindA wind that blows directly against the course of a vehicle, like an aircraft, train, or ship.
headwingsThe protruding, padded side panels located on both sides of a high-back booster seat, car seat, or specialized wheelchair.
headwomanA woman who is a leader of a certain jurisdiction
headwordA word (or compound term) used as the title of a list entry or section, particularly in a dictionary, encyclopedia, or thesaurus.
headworkMental or intellectual labour; the use of logic and clear thinking.
headworkerOne who performs mental or intellectual labour.
headworksAny structure at the head or diversion point of a waterway. It is smaller than a barrage and is used to divert water from a river into a canal or from a large canal into a smaller canal.
headwrapAn article of headwear in the form of a piece of cloth of any convenient shape, such as a scarf, a strip, a triangle, or a square, variously secured, typically by knotting.