noun - a small mat that you put under a glass or a cup in order to protect the table

noun - a piece of cloth etc. tied over someone's mouth in order to prevent them from speaking or screaming

noun - the act of examining someone or something carefully in order to say how good or valuable they are

noun - a thing that you hold above your head when it is raining in order not to get wet

noun - a white substance that is used in cooking in order to preserve food or to improve the taste, it is present in the water of the seas and oceans

verb - a fasten a piece of paper to an object in order to say what it is, how much it costs etc.

noun - (from a movie) a robot which came from the future to kill an important person in order to change the future

noun - a device that connects the computer to telephone lines in order to send and receive e-mails and connect to the internet etc.

noun - a thing made of wood or glass etc, which you open in order to get in or out of a building, car etc.

adjective, informal - untidy, not organized, lacking order

adjective - disorganized, with no particular order