|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]|
Affecting or attracted to something specified: gonadotropic.
|tropic (trŏp'ĭk) Pronunciation Key