cancer (n.)

  1. 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

    [ Syn: malignant neoplastic disease ]

  2. (astrology) a person who is born while the sun is in Cancer

    [ Syn: cancer , crab ]

  3. a small zodiacal constellation in the northern hemisphere; between Leo and Gemini

    [ 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 , crab ]

  5. type genus of the family Cancridae

    [ Syn: cancer , genus cancer ]

The dictionary is based on the WordNet Electronic Lexical Database.
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