Definition of "disc" in English

noun

1. A thin, flat, circular plate or similar object.

   • A coin is a disc of metal.

2. (anatomy) An intervertebral disc.

3. Something resembling a disc.

   • Venus's disc cut off light from the Sun.

4. A vinyl phonograph or gramophone record.

   • Turn the disc over, after it has finished.

5. (botany) The flat surface of an organ, as a leaf, any flat, round growth.

6. (disc sports) Ellipsis of flying disc; synonym of frisbee; generic name for the trademark Frisbee.

7. Alternative form of disk

verb

1. (agriculture) To harrow with a disc harrow.

2. (aviation, of a propeller) To move towards, or operate at, zero blade pitch, orienting the propeller blades face-on to the oncoming airflow and maximizing the drag generated by the propeller.

   • In the air, the asymmetric drag generated by a discing propeller can result in loss of control of the airplane.