A woman's breasts are the two soft, round parts on her chest that can produce milk to feed a baby.

A person's breast is the upper part of his or her chest.

The breast is often considered to be the part of your body where your emotions are.

A bird's breast is the front part of its body.

The breast of a shirt, jacket, or coat is the part which covers the top part of the chest.

You can refer to piece of meat that is cut from the front of a bird or lamb as breast.

If you say that someone beats their breast, you are emphasizing that they are very angry or upset about something, or that they are pretending to be very angry or upset about it.

If you make a clean breast of something, you tell someone the truth about yourself or about something wrong that you have done.