Definition of "Cancer"

Cancer

/ˈkænsə/

proper noun
1. (astronomy) A constellation of the zodiac supposedly shaped like a crab.
  Quotations
  And add more coals to Cancer when he burns / With entertaining great Hyperion.
  c. 1602, William Shakespeare, “The Tragedie of Troylus and Cressida”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene iii]
2. (astrology) The zodiac sign for the crab, ruled by the Moon and covering June 22 - July 22 (tropical astrology) or July 16 - August 15 (sidereal astrology).
noun
plural Cancers
1. Someone with a Cancer star sign.
  Quotations
  ‘All right, so what are Cancers apart from sad, then?’ Lizzie asked.
  2022, Candice Carty-Williams, People Person, Trapeze, page 189