1. a line of latitude about 23 degrees to the south of the equator;
The Collaborative International Dictionary of English v.0.48:
Tropic \Trop"ic\, n. [F. tropique, L. tropicus of or belonging
to a turn, i. e., of the sun, Gr. ? of the solstice, ? (sc.
?) the tropic or solstice, fr. ? to turn. See Trope.]
1. (Astron.) One of the two small circles of the celestial
sphere, situated on each side of the equator, at a
distance of 23[deg] 28[min], and parallel to it, which the
sun just reaches at its greatest declination north or
south, and from which it turns again toward the equator,
the northern circle being called the Tropic of Cancer,
and the southern the Tropic of Capricorn, from the names
of the two signs at which they touch the ecliptic.
(a) One of the two parallels of terrestrial latitude
corresponding to the celestial tropics, and called by
the same names.
(b) pl. The region lying between these parallels of
latitude, or near them on either side.
The brilliant flowers of the tropics bloom from
the windows of the greenhouse and the saloon.
WordNet (r) 3.0 (2006):
Tropic of Capricorn
n 1: a line of latitude about 23 degrees to the south of the