A thin, flat, circular plate or similar object.
A disc - either a CD-ROM, an audio CD, a DVD or similar removable storage medium.
A ring- or cup-shaped enlargement of the flower receptacle or ovary that bears nectar or, less commonly, the stamens.
Something resembling a disk.
A type of harrow.
An intervertebral disc
To harrow.
To move towards, or operate at, zero blade pitch, orienting the propeller blades face-on to the oncoming airstream and maximising the drag generated by the propeller.
A small, decorative, somewhat weighty object placed on one or more pieces of paper to keep them from fluttering away.
Any object used for this purpose.
A useless piece of equipment.