A hypothetical megastructure in the form of a disk with a star located in a hole running through its axis, and massive enough to have its own atmosphere

plural of disk jockey

Alternative form of disc rot

Alternative form of parking disc

Synonym of ice circle

(computing, dated) A hard disk.

Alternative spelling of optical disc

(mathematics) A set of points on a plane whose distance from a given point is less than or equal to one.

Alternative form of Nipkow disk

(computing) A hard drive or hard disk; a fixed disc drive containing rigid disks.