A thin, flat, circular plate or similar object.
A coin is a disc of metal.
An intervertebral disc.
Something resembling a disc.
Venus's disc cut off light from the Sun.
A vinyl phonograph / gramophone record.
Turn the disc over, after it has finished.
The flat surface of an organ, as a leaf, any flat, round growth.
(ultimate frisbee) A Frisbee.
To harrow with a disc harrow.