|1.||(sometimes capital) either of the parallel lines of latitude at about 23½°N (tropic of Cancer) and 23½°S (tropic of Capricorn) of the equator|
|2.||(often capital) the tropics that part of the earth's surface between the tropics of Cancer and Capricorn; the Torrid Zone|
|3.||astronomy either of the two parallel circles on the celestial sphere having the same latitudes and names as the corresponding lines on the earth|
|4.||a less common word for tropical|
|[C14: from Late Latin tropicus belonging to a turn, from Greek tropikos, from tropos a turn; from the ancient belief that the sun turned back at the solstices]|
cancer can·cer (kān'sər)
Abbr. CA Any of various malignant neoplasms characterized by the proliferation of anaplastic cells that tend to invade surrounding tissue and metastasize to new body sites.
The pathological condition characterized by such growths.
|tropic (trŏp'ĭk) Pronunciation Key
|Tropic of Cancer
The parallel of latitude approximately 23°27' north. It forms the boundary between the Torrid and North Temperate zones.