Noun cancer has 5 senses
  1. cancer, malignant neoplastic disease - 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
    --1 is a kind of malignant tumor, malignant neoplasm, metastatic tumor
    --1 has particulars:
     lymphoma; carcinoma; leukemia, leukaemia, leucaemia, cancer of the blood; sarcoma
  2. Cancer, Crab - (astrology) a person who is born while the sun is in Cancer
    --2 is a kind of person, individual, someone, somebody, mortal, human, soul
  3. Cancer - a small zodiacal constellation in the northern hemisphere; between Leo and Gemini
    --3 is a kind of
    --3 is a part of zodiac
  4. Cancer, Cancer the Crab, Crab - the fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22
    --4 is a kind of sign of the zodiac, star sign, sign, mansion, house, planetary house
  5. Cancer, genus Cancer - type genus of the family Cancridae
    --5 is a kind of arthropod genus
    --5 is a member of Cancridae, family Cancridae
    --5 has members:
     Dungeness crab, Cancer magister; rock crab, Cancer irroratus; Jonah crab, Cancer borealis