disc

noun6

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

   • A coin is a disc of metal.
2. •
   An intervertebral disc.
3. •
   A vinyl phonograph or gramophone record.

   • Turn the disc over, after it has finished.
4. •
   The flat surface of an organ, as a leaf, any flat, round growth.
5. •
   Ellipsis of flying disc; synonym of frisbee; generic name for the trademark Frisbee.
6. •
   Something resembling a disc.

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

verb2

1. •
   To harrow with a disc harrow.

   • It is held that discing is as much value to lucerne as cultivation is to corn. — 1901
2. •
   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.

noun1

1. •
   Abbreviation of discount.

noun1

1. •
   Abbreviation of discount.