Noun

1. Infestation of the pubic hair by crab lice
2. Decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers
3. A quarrelsome grouch
4. (astrology) a person who is born while the sun is in cancer
5. The fourth sign of the zodiac; the sun is in this sign from about june 21 to july 22
6. The edible flesh of any of various crabs
7. A louse that infests the pubic region of the human body
8. A stroke of the oar that either misses the water or digs too deeply

Verb

1. Direct (an aircraft) into a crosswind
2. Scurry sideways like a crab
3. Fish for crab
4. Complain