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Definition of Crab
1. Verb. Direct (an aircraft) into a crosswind.
Generic synonyms: Channelise, Channelize, Direct, Guide, Head, Maneuver, Manoeuver, Manoeuvre, Point, Steer
2. Noun. Decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers.
Group relationships: Brachyura, Suborder Brachyura
Specialized synonyms: Menippe Mercenaria, Stone Crab, Hard-shell Crab, Soft-shell Crab, Soft-shelled Crab, Cancer Magister, Dungeness Crab, Cancer Irroratus, Rock Crab, Cancer Borealis, Jonah Crab, Swimming Crab, Fiddler Crab, Pea Crab, Alaska Crab, Alaska King Crab, Alaskan King Crab, King Crab, Paralithodes Camtschatica, Spider Crab
3. Verb. Scurry sideways like a crab.
4. Noun. A quarrelsome grouch.
Generic synonyms: Churl, Crank, Crosspatch, Grouch, Grump
Derivative terms: Crabby
5. Verb. Fish for crab. "In the summer they like to go out and crab"
6. Noun. (astrology) a person who is born while the sun is in Cancer.
Generic synonyms: Individual, Mortal, Person, Somebody, Someone, Soul
Category relationships: Astrology, Star Divination
7. Verb. Complain. ; "What was he hollering about?"
Generic synonyms: Complain, Kick, Kvetch, Plain, Quetch, Sound Off
Derivative terms: Beef, Bellyacher, Gripe, Squawk, Squawker
8. Noun. The fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22.
Generic synonyms: House, Mansion, Planetary House, Sign, Sign Of The Zodiac, Star Sign
9. Noun. The edible flesh of any of various crabs.
Group relationships: Crab Cocktail
Generic synonyms: Shellfish
Specialized synonyms: Blue Crab, Crab Legs, Soft-shell Crab, Soft-shelled Crab, Japanese Crab, Alaska Crab, Alaska King Crab, Alaskan King Crab, King Crab, Dungeness Crab, Stone Crab
10. Noun. A louse that infests the pubic region of the human body.
Generic synonyms: Louse, Sucking Louse
Group relationships: Genus Phthirius, Genus Phthirus, Phthirius, Phthirus
11. Noun. A stroke of the oar that either misses the water or digs too deeply. "He caught a crab and lost the race"
Definition of Crab
1. n. One of the brachyuran Crustacea. They are mostly marine, and usually have a broad, short body, covered with a strong shell or carapace. The abdomen is small and curled up beneath the body.
2. v. t. To make sour or morose; to embitter.
3. v. i. To drift sidewise or to leeward, as a vessel.
4. a. Sour; rough; austere.
Definition of Crab
1. Noun. (zoology) A crustacean of the infraorder ''Brachyura'', having five pairs of legs, the foremost of which are in the form of claws, and a carapace. ¹
2. Noun. A bad-tempered person. ¹
3. Noun. (context: in plural '''crabs''' informal) An infestation of pubic lice. ¹
4. Noun. (slang) A playing card with the rank of three. ¹
5. Noun. Short for carabiner. ¹
6. Noun. (context: rowing) A position in rowing where the oar is pushed under the rigger by the force of the water. ¹
7. Noun. A defect in an outwardly normal object that may render it inconvenient and troublesome to use. ¹
8. Verb. (intransitive) To fish for crabs. ¹
9. Verb. (intransitive) To complain. ¹
10. Verb. (intransitive) (''by analogy with the movement of a crab'') To move sideways of an aircraft, such as a glider. ¹
11. Verb. (transitive) (''by analogy with the movement of a crab'') To navigate (an aircraft, e.g. a glider) sideways against an air current in order to maintain a straight-line course. ¹
12. Verb. (obsolete) In World War 1, to fly slightly off the straight-line course towards an enemy aircraft, as the machine guns on early aircraft did not allow firing through the propeller disk. ¹
13. Verb. (rare) To back out of something. ¹
14. Noun. The crab apple or wild apple. ¹
15. Noun. The tree bearing crab apples, which has a dogbane-like bitter bark with medical use. ¹
16. Verb. (obsolete) To irritate, make surly or sour ¹
17. Verb. To be ill-tempered; to complain or find fault. ¹
18. Verb. (British dialect) To cudgel or beat, as with a crabstick ¹
19. Noun. The tree species Carapa guianensis, native of South America. ¹
¹ Source: wiktionary.com
Definition of Crab
1. to complain [v CRABBED, CRABBING, CRABS] - See also: complain
Medical Definition of Crab
1. 1. A crustacean, many varieties of which are edible. 2. An insect, the crab louse, Pthirus pubis. (05 Mar 2000)