A type of harrow.
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 thin, flat, circular plate or similar object.
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 ratchet wrench.
A pawl, click, or detent for holding or propelling a ratchet wheel, or ratch, etc.
A noisemaker or musical instrument where sound is generated by a board striking against a rotating gear. See gragger, raganella.
A procedure or regulation that goes in one direction, usually up.
A mechanism composed of a ratchet wheel, or ratch and pawl.
Ghetto; unseemly, indecorous.
To increment or decrement.
To cause to become incremented or decremented.