Definitions
1.nounA crustacean of the infraorder Brachyura, having five pairs of legs, the foremost of which are in the form of claws, and a carapace.
2.nounThe meat of this crustacean, served as food; crabmeat
3.nounA bad-tempered person.
4.noun(in plural crabs) An infestation of pubic lice (Pthirus pubis)."Although crabs themselves are an easily treated inconvenience, the patient and his partner(s) clearly run major STD risks."
5.nounA playing card with the rank of three.
6.nounA position in rowing where the oar is pushed under the rigger by the force of the water.
7.nounA defect in an outwardly normal object that may render it inconvenient and troublesome to use.
8.nounAn unsold book that is returned to the publisher.
9.verbTo fish for crabs.
10.verbTo ruin.
11.verbTo complain.
12.verbTo drift or move sideways or to leeward (by analogy with the movement of a crab).
13.verbTo navigate (an aircraft, e.g. a glider) sideways against an air current in order to maintain a straight-line course.
14.verbTo move (a camera) sideways.
15.verb(World War I), 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.
16.verbTo back out of something.