disk

plural disks · alternative disc

1. A thin, flat, circular plate or similar object.

   A coin is a disk of metal.

2. geometryA two-dimensional geometric region, the set of points bounded by a circle.
3. figurativelySomething resembling a disk.

   Venus' disk cut off light from the Sun.

4. anatomyAn intervertebral disc
5. datedA vinyl phonograph/gramophone record.

   Turn the disk over, after it has finished.

6. abbreviationellipsiscomputer hardwareEllipsis of floppy disk.

   He still uses disks from 1979.

7. abbreviationellipsiscomputer hardwareEllipsis of hard disk.
8. abbreviationellipsisnonstandardcomputer hardwareEllipsis of optical disk.

   She burned some disks yesterday to back up her computer.

9. agricultureA type of harrow.
10. biologyA ring- or cup-shaped enlargement of the flower receptacle or ovary that bears nectar or, less commonly, the stamens.

present singular third person disks · participle present disking · participle past disked · past disked · alternative disc

1. agricultureTo harrow.

   The next year I plowed and disked the patch of ground and planted potatoes.

   1948, Various, Northern Nut Growers Association Incorporated 39th Annual Report

   2 more examples

   That is alkali. Mr. Kochendorfer: I have a ten-year apple orchard that I disked last year and kept it tolerably clean this spring.

   1916, Various, Trees, Fruits and Flowers of Minnesota, 1916

   The soil is plowed and disked and then seeded with a mixture of prairie plants.

   1991 September 6, Jerry Sullivan, “Field & Street”, in Chicago Reader

2. aeronauticsTo move towards, or operate at, zero blade pitch, orienting the propeller blades face-on to the oncoming airstream and maximizing the drag generated by the propeller.