Crab
Part of speech: verb
Definition: To fish for crabs. To complain. (by analogy with the movement of a crab) To move sideways of an aircraft, such as a glider. (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. 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. To back out of something. (obsolete) To irritate, make surly or sour To be ill-tempered (British dialect) To cudgel or beat, as with a crabstick
Part of speech: noun
Definition: A crustacean of the infraorder Brachyura, having five pairs of legs, the foremost of which are in the form of claws, and a carapace. A bad-tempered person. An infestation of pubic lice. A playing card with the rank of three. Short for carabiner. The crab apple or wild apple. The tree bearing crab apples, which has a dogbane-like bitter bark with medical use. The tree species Carapa guianensis, native of South America.
Example sentence: Big sisters are the crab grass in the lawn of life.
Cancer
Part of speech: noun
Definition: A disease in which the cells of a tissue undergo uncontrolled (and often rapid) proliferation.