Cancer

noun

1. (astrology) a person who is born while the sun is in Cancer
2. any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream
3. a small zodiacal constellation in the Northern Hemisphere; between Leo and Gemini
4. the fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22
5. type genus of the family Cancridae