—n.
1 the parallel of latitude 23°27
Usage:
north (tropic of Cancer) or south (tropic of Capricorn) of the Equator.
2 each of two corresponding circles on the celestial sphere where the sun appears to turn after reaching its greatest declination.
3 (the Tropics) the region between the tropics of Cancer and Capricorn.
—adj.
1 = TROPICAL 1.
2 of tropism.
Phrases and idioms:
tropic bird any sea bird of the family Phaethontidae, with very long central tail-feathers.
Etymology: ME f. L tropicus f. Gk tropikos f. trope turning f. trepo turn
Useful english dictionary. 2012.