<p><strong>Noun</strong></p><ul><li>The upper part of the body in humans, joined to the torso by the neck and containing the brain, eyes, ears, nose, and mouth.</li><li>The upper part of the body in animals, often joined to the torso by the neck and containing the brain, eyes, ears, nose, and mouth.</li><li>The head considered as the center of the intellect, as of thought, memory, understanding, or emotional control; mind; brain.</li><li>The position or place of leadership, greatest authority, or honor.</li><li>A person to whom others are subordinate, as the director of an institution or the manager of a department; leader or chief.</li><li>A person considered with reference to their mind, disposition, attributes, status, etc.: wise heads; crowned heads.</li><li>That part of anything that forms or is regarded as forming the top, summit, or upper end: head of a pin; head of a page.</li><li>The foremost part or front end of anything or a forward projecting part: head of a procession.</li><li>The part of a weapon, tool, etc., used for striking: the head of a hammer.</li><li>A person or animal considered merely as one of a number, herd, or group: ten head of cattle.</li><li>A culminating point, usually of a critical nature; crisis or climax: to bring matters to a head.</li><li>The hair covering the head: to wash one's head.</li><li>Froth or foam at the top of a liquid: the head on beer.</li><li>Botany. Any dense flower cluster or inflorescence.</li><li>Any other compact part of a plant, usually at the top of the stem, as that composed of leaves in the cabbage or lettuce, of leafstalks in the celery, or of flower buds in the cauliflower.</li><li>The matured part of an abscess, boil, etc.</li><li>A projecting point of a coast, especially when high, as a cape, headland, or promontory.</li><li>The obverse of a coin, as bearing a head or other principal figure (tail).</li><li>One of the chief parts or points of a written or oral discourse; a main division of a subject, theme, or topic.</li><li>Something resembling a head in form or a representation of a head, as a piece of sculpture.</li><li>The source of a river or stream.</li><li>Slang. A habitual user of a drug, especially LSD or marijuana (often used in combination).</li><li>A fan or devotee (usually used in combination): a punk-rock head.</li><li>Heads, Distilling. Alcohol produced during the initial fermentation.</li><li>Headline.</li><li>A toilet or lavatory, especially on a boat or ship.</li><li>Nautical. The forepart of a vessel; bow.</li><li>The upper edge of a quadrilateral sail.</li><li>The upper corner of a jib-headed sail.</li><li>That part of the upper end of one spar of a mast that is overlapped by a spar above; a doubling at the upper end of a spar.</li><li>That part of the upper end of a mast between the highest standing rigging and the truck.</li><li>Crown.</li><li>Grammar. The member of an endocentric construction that belongs to the same form class and may play the same grammatical role as the construction itself.</li><li>The stretched membrane covering the end of a drum or similar musical instrument.</li><li>Mining. A level or road driven into solid coal for proving or working a mine.</li><li>Machinery. Any of various devices on machine tools for holding, moving, indexing, or changing tools or work, as the headstock or turret of a lathe.</li><li>Railroads. Railhead.</li><li>The pressure exerted by confined fluid: a head of steam.</li><li>Hydraulics. The vertical distance between two points in a liquid, as water, or some other fluid.</li><li>The pressure differential resulting from this separation, expressed in terms of the vertical distance between the points.</li><li>The pressure of a fluid expressed in terms of the height of a column of liquid yielding an equivalent pressure.</li><li>Electronics. The part or parts of a tape recorder that record, play back, or erase magnetic signals on magnetic tape.</li><li>Computers. Read/write head.</li><li>Photography. A mounting for a camera, as on a tripod.</li><li>The part of an enlarger that contains the light source, negative carrier, lensboard, and lens.</li><li>Slang: Vulgar. Fellatio or cunnilingus.</li><li>Archaic. Power, strength, or force progressively gathered or gradually attained.</li><li>Heads up! Informal. Be careful! Watch out for danger!</li></ul><p><strong>Adjective</strong></p><ul><li>First in rank or position; chief; leading; principal: a head official.</li><li>Of, relating to, or for the head (often used in combination): head covering; headgear; headpiece.</li><li>Situated at the top, front, or head of anything (often used in combination): headline; headboard.</li><li>Moving or coming from a direction in front of the head or prow of a vessel: head sea; head tide; head current.</li><li>Slang. Of or relating to drugs, drug paraphernalia, or drug users.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>To go at the head of or in front of; lead; precede: to head a list.</li><li>To outdo or excel; take the lead in or over: to head a race; to head one's competitors in a field.</li><li>To direct the course of; turn the head or front of in a specified direction: I'll head the boat for the shore.</li><li>To furnish or fit with a head.</li><li>To take the head off; decapitate; behead.</li><li>To remove the upper branches of (a tree).</li><li>To get in front of in order to stop, turn aside, attack, etc.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>To move forward toward a point specified; direct one's course; go in a certain direction: to head toward town.</li><li>To come or grow to a head; form a head: Cabbage heads quickly.</li><li>(Of a river or stream) To have the head or source where specified.</li></ul><p><strong>Verb phrase</strong></p><ul><li>To go before in order to hinder the progress of; intercept: The police headed off the fleeing driver at a railroad crossing.</li></ul>