Ratchet may refer to:

Devices

Ratchet (device) A ratchet (occasionally spelled rachet) is a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction. Ratchets are widely used in machinery and tools. The word ''r ...

, a mechanical device that allows movement in only one direction * Ratchet, metonomic name for a socket wrench incorporating a ratcheting device *

Ratchet (instrument) A ratchet or rattle, more specifically, cog rattle is a musical instrument of the percussion family and a warning/signaling device. It operates on the principle of the ratchet device, using a gearwheel and a stiff board mounted on a handle, whi ...

, a music instrument and a warning device

Film and television

* Ratchet (''Robots''), a character in the film ''Robots'' * Ratchet, a character in the ''

Widget the World Watcher ''Widget'' (also known as ''Widget the World Watcher'') is an animated television series created by Voltron creator Peter Keefe, directed and produced by Tom Burton of Zodiac Entertainment, which debuted in syndication on September 29, 1990. The ...

'' television series * Ratchet, a character in the ''

Red Lantern Corps The Red Lantern Corps is a supervillain and sometimes anti-heroic organization appearing in DC Comics. Their power is derived from the emotional spectrum relating to rage. Publication history They debuted in ''Green Lantern'' (vol. 4) #25 (Dec ...

'' DC Comics series * Ratchet (''Transformers''), a character * Ratchet, one of the

Autobot The Autobots are the main protagonists in the fictional Continuity (fiction), continuities of the Transformers (fiction), Transformers multimedia franchise, and are depicted in a collection of various toys, cartoons, films, graphic novels, and p ...

Transformers * ''Ratchet'', a 1986 thriller film by John Johnson

Video games

* Ratchet (''Ratchet & Clank''), a video game character * '' Ratchet: Deadlocked'', a video game

Music

* "Ratchet" (Bloc Party song), 2013 * ''Ratchet'' (Shamir album), 2015 * Ratchet, another name for the

RnBass RnBass (also spelled as R&Bass, shortening of rhythm and bass) is a music genre that fuses contemporary R&B music with hip hop production style or music genre, known as ratchet music, coined by DJ Mustard. Described by '' Vibe'' magazine as a brea ...

genre

Other

* Ratchet option, a financial derivative also known as

cliquet A cliquet option or ratchet option is an exotic option consisting of a series of consecutive forward start options. The first is active immediately. The second becomes active when the first expires, etc. Each option is struck at-the-money when it ...

option *

Double Ratchet Algorithm In cryptography, the Double Ratchet Algorithm (previously referred to as the Axolotl Ratchet) is a key management algorithm that was developed by Trevor Perrin and Moxie Marlinspike in 2013. It can be used as part of a cryptographic protocol to ...

, an algorithm for managing cryptographic keys *

Ratchet (slang) Ratchet is a slang term in hip hop that, in its original sense, was a derogatory term used to refer to an uncouth woman, and may be a Louisianan dialect form of the word "wretched" or a variation of the word "ratshit." The term has since been ex ...

, a derogatory term *

Ratchet Gearloose Gyro Gearloose is a cartoon character created in 1952 by Carl Barks for Disney comics. An anthropomorphic chicken, he is part of the Donald Duck universe, appearing in comic book stories as a friend of Donald Duck, Scrooge McDuck, and anyone who ...

, a Disney character, paternal grandfather of Gyro Gearloose

Devices

Film and television

Video games

Music

Other

See also