Look up crab in Wiktionary, the free dictionary.

A crab is a water-dwelling creature, a decapod crustacean of the infraorder Brachyura. A related common meaning is crab meat.

Crab may also refer to:

Other animals

• Anomura, an infraorder containing hermit crabs, king crabs, and other animals that is a sister group to the true crabs (infraorder Brachyura)
• Horseshoe crab, a chelicerate that lays its eggs on beaches and is utilized by the biomedical industry

Mythology

• Cancer (astrology), a sign in the zodiac
• Cancer (Chinese astronomy)

Science

• Cancer (constellation), a stellar constellation
• Crab Nebula, the supernova remnant found in the constellation Taurus
  • Crab Pulsar, the central star in the Crab Nebula
• Crab (unit), photometrical unit of X-ray astronomy
• CRAB, an abbreviation for the symptoms of multiple myeloma
• "Crabs", a colloquial term for Pediculosis pubis
  • Crab louse (Pthirus pubis), a type of parasitic louse
• Carbapenem-resistant Acinetobacter baumannii (CRAB)

Technology

• Crab (cipher), an encryption algorithm based on MD5
• Crab landing, a method of landing a fixed-wing aircraft in a crosswind

Geography

• Crab, Virginia, an unincorporated community
• Crab Brook, a tributary of Stony Brook in central New Jersey
• Crab Creek, in the U.S. state of Washington
• Crab Creek (Little River), in North and South Carolina
• Crab Run (Mahanoy Creek), Pennsylvania
• Crab Run (West Virginia), a stream
• Crab Island (disambiguation)
• Crab Cay, Colombia, a small island in the Caribbean Sea

Music

• Crab canon, a musical form
• Crab Records, a defunct record label
• Crab (scratch), a DJ technique

Sports

• Crab (horse) (1722–1750), a British Thoroughbred racehorse
• Basket Rimini Crabs, an Italian professional basketball team based in Rimini, Emilia-Romagna
• Crab (posture) used in gymnastics, breakdancing, yoga
• Crab or catch a crab, a rowing error

Other uses

• Sherman Crab, a British World War II mine-clearing tank
• Panhard CRAB, a French armoured combat vehicle
• The Crab, an outdoor 1962 painted steel sculpture by Alexander Calder
• Roger Crab (1621–1680), English soldier, haberdasher, herbal doctor and writer
• An athletic move akin to the float in breakdancing
• Crabs, a slang phrase for the parasite Pediculosis pubis
• Crab, a character from WordWorld

See also

• Crab apples, species of the genus Malus other than the table apple Malus domestica
• All pages with titles beginning with Crab
• Krab (disambiguation)