TROPIC
- either of two lines of latitude, one (tropic of Cancer) 23 1/2-¦ N, and the other (tropic of Capricorn) 23 1/2-¦ S of the equator
- the regions lying between these latitudes, having a hot climate
- an imaginary circle on the celestial sphere [n -S]
- either of two circles of the celestial sphere on each side of the equator [n TROPICS]