Main Entry: ¹disk

Variant(s): or disc \ˈdisk\

Function: noun

Usage: often attributive

Etymology: Latin discus — more at dish

Date: 1664

1 a : the seemingly flat figure of a celestial body <the solar disk> b archaic : discus
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: 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 c usually disc : optical disk: as (1) : videodisc (2) : cd
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

— disk·like \-ˌlīk\ adjective

[disk illustration]