Definitions for "Tropic of Capricorn"
similar to the Tropic of Cancer, but to the south of the equator ....... back ropical: of the hot region of the earth that lies between the Tropic of Cancer and the Tropic of Capricorn ....... back
tropic point is the sun's position on the celestial sphere at the time of a solstice.  The Tropic of Cancer is the location of the sun at the June solstice and the Tropic of Capricorn is the location of the sun at the time of the December solstice.  Note: solstice is a time, tropic is a place.  Terrestrial latitudes directly under the celestial tropics have the same name – the latitude 23.5 degrees north is called the Tropic of Cancer and the latitude 23.5 degrees south is called the Tropic of Capricorn.
The parallel of latitude 23°27' south of the equator. The tropic of Capricorn is the southern boundary of the Torrid Zone, during the winter solstice (December 22nd) the Sun is directly over the tropic of Capricorn. See Arctic Circle and Antarctic Circle.