Adjective

1. Silent; not making a sound.
2. (of a person) Not having the power of speech.

Noun

1. A person who does not have the power of speech.
2. An acting part where no speaking (and in opera, no singing) is required.
3. An object for dulling the sound of an instrument, especially a brass instrument, or damper for pianoforte; a sordine.
4. One refusing to speak.
5. An undertaker's assistant.
6. The deadening of an appliance's or musical instrument's volume.
7. In falconry, a mute is a hawk's or falcon's droppings.
8. In wine making, mute, from the French, is the grape juice from pressed grapes kept aside in chilled stainless steel tanks and used at later stages of wine making by adding to the dry wine base to achieve the desired residual sugar level in the final product. (Usually spelled "muté " in this case and pronounced "mju:te".)

Verb

1. To silence, to make quiet.
2. To turn off the sound of.

   Please mute the music while I make a call.