The difference between Head and Header

Head as a noun (countable):

The part of the body of an animal or human which contains the brain, mouth and main sense organs. To do with heads. # Mental or emotional aptitude or skill. # Mind; one's own thoughts. #* {{quote-book|lang=en|year=1935|author=[https://www.goodreads.com/author/show/288354.George_Goodchild George Goodchild] |title=Death on the Centre Court|chapter=1 |passage=“Anthea hasn't a notion in her head but to vamp a lot of silly mugwumps. She's set her heart on that tennis blokewhom the papers are making such a fuss about.”}} # A headache; especially one resulting from intoxication. #* 1888, , ‘Thrown Away', Plain Tales from the Hills, Folio Society 2005 edition, page 18, #*: he took them seriously, too, just as seriously as he took the ‘head' that followed after drink. # A headdress; a covering for the head. # An individual person. #* but here we are obliged to diſcloſe ſome Maxims, which Publicans hold to be the grand Myſteries of their Trade. And, laſtly, if any of their Gueſts call but for little, to make them pay a double Price for every Thing they have ; ſo that the Amount by the Head may be much the ſame.}} To do with heads. # A single animal. # The population of game. # The antlers of a deer.

Head as a noun (countable):

The topmost, foremost, or leading part. The end of a table. # The end of a rectangular table furthest from the entrance; traditionally considered a seat of honor. # The end of a pool table opposite the end where the balls have been racked. The principal operative part of a machine or tool. # The end of a hammer, axe, golf club or similar implement used for striking other objects. # The end of a nail, screw, bolt or similar fastener which is opposite the point; usually blunt and relatively wide. # The sharp end of an arrow, spear or pointer. # The top part of a lacrosse stick that holds the ball. # A drum head, the membrane which is hit to produce sound. # A machine element which reads or writes electromagnetic signals to or from a storage medium. # The part of a disk drive responsible for reading and writing data. # The cylinder head, a platform above the cylinders in an internal combustion engine, containing the valves and spark plugs. The foam that forms on top of beer or other carbonated beverages. The end cap of a cylindrically-shaped pressure vessel. Deposits near the top of a geological succession. The end of an abscess where pus collects. The headstock of a guitar. A leading component. # The top edge of a sail. # The bow of a vessel. A headland.

Head as a noun (social, countable):

A leader or expert. The place of honour, or of command; the most important or foremost position; the front. Leader; chief; mastermind. A headmaster or headmistress. A person with an extensive knowledge of hip hop.

Head as a noun (anatomy):

A significant or important part. A beginning or end, a protuberance. # The source of a river; the end of a lake where a river flows into it. # A clump of seeds, leaves or flowers; a capitulum. #* | passage=Plant breeding is always a numbers game.The wild species we use are rich in genetic variation, . In addition, we are looking for rare alleles, so the more plants we try, the better. These rarities may be new mutations, or they can be existing ones that are neutral—or are even selected against—in a wild population. A good example is mutations that disrupt seed dispersal, leaving the seeds on the heads long after they are ripe.}} ## An ear of wheat, barley, or other small cereal. ## The leafy top part of a tree. # The rounded part of a bone fitting into a depression in another bone to form a ball-and-socket joint. # The toilet of a ship. # Tiles laid at the eaves of a house. A component. # The principal melody or theme of a piece. # A morpheme that determines the category of a compound or the word that determines the syntactic type of the phrase of which it is a member.

Head as a noun:

Headway; progress.

Head as a noun:

Topic; subject.

Head as a noun (uncountable):

Denouement; crisis.

Head as a noun (fluid dynamics):

Pressure and energy. A buildup of fluid pressure, often quantified as pressure head. The difference in elevation between two points in a column of fluid, and the resulting pressure of the fluid at the lower point. More generally, energy in a mass of fluid divided by its weight.

Head as a noun (slang, uncountable):

Fellatio or cunnilingus; oral sex.

Head as a noun (slang):

The glans penis.

Head as a noun (slang, countable):

A heavy or habitual user of illicit drugs.

Head as a noun (obsolete):

Power; armed force.

Head as an adjective:

Of, relating to, or intended for the head.

Head as an adjective:

Foremost in rank or importance.

Head as an adjective:

Placed at the top or the front.

Head as an adjective:

Coming from in front.

Head as a verb (transitive):

To be in command of. (See also .)

Head as a verb (transitive):

To strike with the head; as in soccer, to head the ball

Head as a verb (intransitive):

To move in a specified direction.

Head as a verb (fishing):

To remove the head from a fish.

Head as a verb (intransitive):

To originate; to spring; to have its course, as a river.

Head as a verb (intransitive):

To form a head.

Head as a verb:

To form a head to; to fit or furnish with a head.

Head as a verb:

To cut off the top of; to lop off.

Head as a verb (obsolete):

To behead; to decapitate.

Head as a verb:

To go in front of; to get in the front of, so as to hinder or stop; to oppose; hence, to check or restrain.

Head as a verb:

To set on the head.

Header as a noun:

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

Header as a noun:

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

Header as a noun:

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

Header as a noun (informal):

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

Header as a noun (computing):

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

Header as a noun (programming):

Header as a noun (networking):

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

Header as a noun:

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

Header as a noun:

A horizontal structural or finish piece over an opening.

Header as a noun:

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

Header as a noun (soccer):

The act of hitting the ball with the head.

Header as a noun (soccer):

Someone who heads the ball

Header as a noun:

A headlong fall or jump.

Header as a noun:

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

Header as a noun:

A pipe which connects several smaller pipes.

Header as a noun:

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

Header as a verb (sports, transitive):

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