disc

noun

1. 1

   A thin, flat, circular plate or similar object.

   A coin is a disc of metal.

   ; the top one is acted on by the spindle and disc d, moved by the lever e;

2. 2

   An intervertebral disc.

3. 3

   Something resembling a disc.

   Venus's disc cut off light from the Sun.

   [A] peculiar luminous and sinuous marking appeared on the unillumined half of the inner planet, and almost simultaneously a faint dark mark of a similar sinuous character was detected upon a photograph of the Martian disc.

4. 4

   A vinyl phonograph or gramophone record.

   Turn the disc over, after it has finished.

5. 5

   The flat surface of an organ, as a leaf, any flat, round growth.

6. 6

   Variant of flying discEllipsis of flying disc; synonym of frisbee; generic name for the trademark Frisbee.

7. 7

   Variant of diskAlternative form of disk

verb

1. 1

   To harrow with a disc harrow.

   It is held that discing is as much value to lucerne as cultivation is to corn.

2. 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.

Forms

plural

discs

past tense

disced

past participle

disced

present participle

discing

third person singular

discs