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TOEFL BNC: 8024 COCA: 5100

crab

1 of 5

noun (1)

often attributive
1
plural crabs also crab : any of numerous chiefly marine broadly built decapod crustaceans:
a
: any of an infraorder (Brachyura) with a short broad usually flattened carapace, a small abdomen that curls forward beneath the body, short antennae, and the anterior pair of limbs modified as grasping pincers
b
: any of various crustaceans of an infraorder (Anomura) resembling true crabs in the more or less reduced condition of the abdomen
2
capitalized : cancer sense 1
3
crabs plural : infestation with crab lice
4
: the angular difference between an aircraft's course and the heading necessary to make that course in the presence of a crosswind

crab

2 of 5

verb (1)

crabbed; crabbing

intransitive verb

1
: to fish for crabs
2
a(1)
: to move sideways indirectly or diagonally
(2)
: to crab an airplane
b
: to scuttle or scurry sideways

transitive verb

1
: to cause to move sideways or in an indirect or diagonal manner
specifically : to head (an airplane) into a crosswind to counteract drift
2
: to subject to crabbing

crab

3 of 5

noun (2)

crab

4 of 5

noun (3)

: an ill-tempered person : grouch

crab

5 of 5

verb (2)

crabbed; crabbing

transitive verb

1
: to make sullen : sour
old age has crabbed his nature
2
: to complain about peevishly
3
: spoil, ruin

intransitive verb

: carp, grouse
always crabs about the weather

Word History

Etymology

Noun (1)

Middle English crabbe, from Old English crabba; akin to Old High German krebiz crab and perhaps to Old English ceorfan to carve — more at carve

Noun (2)

Middle English crabbe, perhaps from crabbe crab entry 1

Verb (2)

Middle English crabben, probably back-formation from crabbed

First Known Use

Noun (1)

before the 12th century, in the meaning defined at sense 1

Verb (1)

1657, in the meaning defined at intransitive sense 1

Noun (2)

14th century, in the meaning defined above

Noun (3)

1580, in the meaning defined above

Verb (2)

1662, in the meaning defined at transitive sense 1

Time Traveler
The first known use of crab was before the 12th century

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