Your head is the top part of your body, which has your eyes, mouth, and brain in it.

You can use head to refer to your mind and your mental abilities.

The head of a line of people or vehicles is the front of it, or the first person or vehicle in the line.

If someone or something heads a line or procession, they are at the front of it.

If something heads a list or group, it is at the top of it.

The head of something is the highest or top part of it.

The head of something long and thin is the end which is wider than or a different shape from the rest, and which is often considered to be the most important part.

The head of a school is the teacher who is in charge.

The head of a company or organization is the person in charge of it and in charge of the people in it.

If you head a department, company, or organization, you are the person in charge of it.

The head of an infected spot is its white or yellow centre.

The head on a glass of beer is the layer of small bubbles that form on the top of the beer.

You can use head to say how many animals of a particular type a farmer has. For example, if they have fifty head of cattle, they have fifty cows.

If you have a bad head, you have a headache.

If you toss a coin and it comes down heads, you can see the side of the coin which has a picture of a head on it.

If you are heading for a particular place, you are going towards that place. In American English, you can also say that you are headed for a particular place.

If something or someone is heading for a particular result, the situation they are in is developing in a way that makes that result very likely. In American English, you can also say that something or someone is headed for a particular result.

If a piece of writing is headed a particular title, it has that title written at the beginning of it.

If you head a ball in football, you hit it with your head in order to make it go in a particular direction.

You use a head or per head after stating a cost or amount in order to indicate that that cost or amount is for each person in a particular group.

If something or someone does your head in, they make you angry or frustrated.

From head to foot means all over your body.

If you have a head for something, you can deal with it easily. For example, if you have a head for figures, you can do arithmetic easily, and if you have a head for heights, you can climb to a great height without feeling afraid.

If you get a fact or idea into your head, you suddenly realize or think that it is true and you usually do not change your opinion about it.

If you say that someone has got something into their head, you mean that they have finally understood or accepted it, and you are usually criticizing them because it has taken them a long time to do this.

If you give someone their head, you allow them to do what they want to do, without trying to advise or stop them.

If alcoholic drink goes to your head, it makes you feel drunk.

If you say that something such as praise or success goes to someone's head, you are criticizing them because you think that it makes them too proud or confident.

If you are head over heels or head over heels in love, you are very much in love.

If you keep your head, you remain calm in a difficult situation. If you lose your head, you panic or do not remain calm in a difficult situation.

If you knock something on the head, you stop it.

Phrases such as laugh your head off and scream your head off can be used to emphasize that someone is laughing or screaming a lot or very loudly.

If you say that someone is off their head, you mean that they have taken so many drugs that they do not know what they are doing.

If you say that someone is off their head, you think that their ideas or behaviour are very strange, foolish, or dangerous.

If you stand an idea or argument on its head or turn it on its head, you think about it or treat it in a completely new and different way.

If something such as an idea, joke, or comment goes over someone's head, it is too difficult for them to understand.

If someone does something over another person's head, they do it without asking them or discussing it with them, especially when they should do so because the other person is in a position of authority.

If you say that something unpleasant or embarrassing rears its ugly head or raises its ugly head, you mean that it occurs, often after not occurring for some time.

If you stand on your head, you balance upside down with the top of your head and your hands on the ground.

If you say that you cannot make head nor tail of something or you cannot make head or tail of it, you are emphasizing that you cannot understand it at all.

If somebody takes it into their head to do something, especially something strange or foolish, they suddenly decide to do it.

If a problem or disagreement comes to a head or is brought to a head, it becomes so bad that something must be done about it.

If you bang peoples' heads together or knock their heads together, you tell them off severely for doing something wrong or for not doing something they were asked to do.

If two or more people put their heads together, they talk about a problem they have and try to solve it.

If you keep your head above water, you just avoid getting into difficulties; used especially to talk about business.

If you say that heads will roll as a result of something bad that has happened, you mean that people will be punished for it, especially by losing their jobs.