Tropic

A tropic may be meaning:

In geography:
either of two circles of latitude:
Tropic of Cancer, at 23° 26' 22" N
Tropic of Capricorn, at 23° 26' 22" S

Tropics, referring to the tropical regions of the world.
Tropic, Florida, a town in the United States
Tropic, Utah, a town in the United States

In transportation:
SS Tropic (1871)
SS Tropic (1904)