Header vs. Leader

The upper portion of a page (or other) layout.

Example: ‘If you reduce the header of this document, the body will fit onto a single page.’;

Text, or other visual information, used to mark off a quantity of text, often titling or summarizing it.

Example: ‘Your header is too long; "Local Cannibals" will suffice.’;

Text, or other visual information, that goes at the top of a column of information in a table.

Example: ‘That column should have the header "payment status".’;

(informal) A font, text style, or typesetting used for any of the above.

Example: ‘Parts of speech belong in a level-three header. Level-two headers are reserved for the name of the language.’;

(computing) The first part of a file or record that describes its contents.

Example: ‘The header includes an index, an identifier, and a pointer to the next entry.’;

(programming) lang=en

(networking) the first part of a packet, often containing its address and descriptors

Example: ‘The encapsulation layer adds an eight-byte header and a two-byte trailer to each packet.’;

A brick that is laid sideways at the top of a wall or within the brickwork with the short side showing; compare stretcher.

Example: ‘This wall has four header courses.’;

A horizontal structural or finish piece over an opening.

A machine that separates and gathers the heads of grain etc.

Example: ‘They fed the bale into the header.’;

(soccer) The act of hitting the ball with the head.

Example: ‘His header for the goal followed a perfect corner kick.’;

(soccer) Someone who heads the ball

A headlong fall or jump.

Example: ‘The clown tripped over the other clown and took a header.’;

A raised tank that supplies water at constant pressure, especially to a central heating and hot water system.

A pipe which connects several smaller pipes.

Example: ‘Common practice is to use plastic pipes with iron headers.''’;

The rodeo performer who drives the steer toward the heeler to be tied.

To strike (a ball) with one's head.

One who, or that which, heads nails, rivets, etc., esp. a machine for heading.

One who heads a movement, a party, or a mob; head; chief; leader.

A brick or stone laid with its shorter face or head in the surface of the wall.

A reaper for wheat, that cuts off the heads only.

A fall or plunge head first, as while riding a bicycle, or a skateboard, or in bathing; - sometimes, implying the striking of the head on the ground; as, to take a header.

a line of text serving to indicate what the passage below it is about;

Example: ‘the heading seemed to have little to do with the text’;

horizontal beam used as a finishing piece over a door or window

brick that is laid sideways at the top of a wall

a framing member crossing and supporting the ends of joists, studs, or rafters so as to transfer their weight to parallel joists, studs, or rafters

a machine that cuts the heads off grain and moves them into a wagon

(soccer) the act of hitting the ball with your head

a headlong jump (or fall);

Example: ‘he took a header into the shrubbery’;

a shot or pass made with the head.

a headlong fall or dive.

a brick or stone laid at right angles to the face of a wall.

a line or block of text appearing at the top of each page of a book or document.

the part of an email before the message, containing information such as the subject and sender.

Example: ‘every email message needs a header indicating the sender's identity and address’;

a raised tank of water maintaining pressure in a plumbing system.

a person who ropes a steer by its head (as opposed to its heels), especially in a team-roping rodeo event

Example: ‘the steer ran straight and the header made a good catch’;

a mad or foolish person.

any person that leads or directs

one who goes first

Example: ‘Follow the leader.’;

one having authority to direct

Example: ‘We elected her team leader.’;

one who leads a political party or group of elected party members; sometimes used in titles

Example: ‘Leader of the House of Commons’; ‘Senate Majority Leader’;

a person or organization that leads in a certain field in terms of excellence, success, etc.

Example: ‘The company is the leader in home remodeling in the county.’;

(music) a performer who leads a band, choir, or a section of an orchestra

the first violin in a symphony orchestra; the concertmaster

an animal that leads

the dominant animal in a pack of animals, such as wolves or lions

an animal placed in advance of others, especially on a team of horse, oxen, or dogs

someone or something that leads or conducts

(botany) a fast-growing terminal shoot of a woody plant

a pipe for conducting rain water from a roof to a cistern or to the ground

(UK) the first, or the principal, editorial article in a newspaper; a leading or main editorial article; a lead story

(fishing) a section of line between the main fishing line and the snell of a hook, intended to be more resistant to bites and harder for a fish to detect than the main fishing line

a piece of material at the beginning or end of a reel or roll to allow the material to be threaded or fed onto something, as a reel of film onto a projector or a roll of paper onto a rotary printing press

(marketing) a loss leader or a popular product sold at a normal price

(printing) a type having a dot or short row of dots upon its face

a row of dots, periods, or hyphens, used in tables of contents, etc., to lead the eye across a space to the right word or number

(fishing) a net for leading fish into a pound, weir, etc.

(mining) a branch or small vein, not important in itself, but indicating the proximity of a better one

(nautical) a block of hard wood pierced with suitable holes for leading ropes in their proper places

(engineering) the drive wheel in any kind of machinery

(meteorology) the path taken by electrons from a cloud to ground level, determining the shape of a bolt of lightning

One who, or that which, leads or conducts; a guide; a conductor.

Example: ‘He forgot to pull in his leaders, and they gallop away with him at times.’;

A pipe for conducting rain water from a roof to a cistern or to the ground; a conductor.

The first, or the principal, editorial article in a newspaper; a leading or main editorial article.

A type having a dot or short row of dots upon its face.

a person who rules or guides or inspires others

a featured article of merchandise sold at a loss in order to draw customers