crab

n 1: decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers

2: a quarrelsome grouch syn crabby person 3: (astrology) a person who is born while the sun is in Cancer syn Cancer

4: the fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22 syn Cancer, Cancer the Crab

5: the edible flesh of any of various crabs syn crabmeat 6: infests the pubic region of the human body syn crab louse, pubic louse, Phthirius pubis

7: a stroke of the oar that either misses the water or digs too deeply; "he caught a crab and lost the race"

v 1: direct (an aircraft) into a crosswind 2: scurry sideways like a crab 3: fish for crab 4: complain; "What was he hollering about?" syn gripe, grouse, beef, squawk, bellyache, holler

also crabbing, crabbed

Source: WordNet. Princeton University