1.a flat round dish that you put food on; the amount of food that a plate will hold; a complete meal or main part of a meal served on one plate; a flat round dish used for collecting money, especially in a church
2.a piece of metal or a hard substance used for covering or protecting something; a piece of metal put into a part of someone’s body to protect it; a piece of metal used for covering something, or for joining two parts of something together; one of the flat pieces of bone, horn, etc. that protect the body of some animals
3.a small piece of metal or plastic that is fixed to something and used for showing information such as someone’s name or a number
4.a thin layer of silver or gold that covers a less valuable metal to improve its appearance; forks, spoons, plates, etc. that are covered by a layer of silver or gold
5.a piece of metal used, especially in the past, for printing the words and pictures in books; a picture printed on special paper in a book; a piece of glass covered in chemicals that react with light, used especially in the past for producing images that could then be printed as photographs
6.a piece of plastic or metal with false teeth fixed to it that is made to fit inside your mouth; a piece of plastic with wires fixed to it that you wear in your mouth to make your teeth straight
7.one of the layers of rock that form the surface of the Earth