variant spelling of disk
1 a
: the seemingly flat figure of a celestial body
- the solar disk
2
: any of various rounded and flattened animal anatomical structures;
especially
: intervertebral disk — compare slipped disk
3
: the central part of the flower head of a typical composite made up of closely packed tubular flowers
4
: a thin circular object: such as
a
usually
disc
: a phonograph record
b
: a round flat plate coated with a magnetic substance on which data for a computer is stored
5
usually
disc
: one of the concave circular steel tools with sharpened edge making up the working part of a disc harrow or plow;
also
: an implement employing such tools
