Trop"ic*al (?), a. [Cf. L. tropicus of
turning, Gr. ?. See Tropic, n.]
1. Of or pertaining to the tropics; characteristic of,
or incident to, the tropics; being within the tropics; as, tropical
climate; tropical latitudes; tropical heat; tropical
2. [From Trope.] Rhetorically changed from
its exact original sense; being of the nature of a trope; figurative;
metaphorical. Jer. Taylor.
The foundation of all parables is some analogy or similitude
between the tropical or allusive part of the parable and the thing
intended by it. South.
Tropic month. See Lunar month, under
Month. -- Tropic year, the solar year;
the period occupied by the sun in passing from one tropic or one equinox to
the same again, having a mean length of 365 days, 5 hours, 48 minutes, 46.0
seconds, which is 20 minutes, 23.3 seconds shorter than the sidereal year,
on account of the precession of the equinoxes.