Tropic

n.	1.	(Astron.) One of the two small circles of the celestial sphere, situated on each side of the equator, at a distance of 23° 28Tropic of Cancer, and the southern the Tropic of Capricorn, from the names of the two signs at which they touch the ecliptic.
	2.	(Geog.) One of the two parallels of terrestrial latitude corresponding to the celestial tropics, and called by the same names. The brilliant flowers of the tropics bloom from the windows of the greenhouse and the saloon. - Bancroft.
a.	1.	Of or pertaining to the tropics; tropical. Tropic bird (Zool.) any one of three species of oceanic belonging to the genus Phaëthon, found chiefly in tropical seas. They are mostly white, and have two central tail feathers very long and slender. The yellow-billed tropic bird. Phaëthon flavirostris (called also boatswain), is found on the Atlantic coast of America, and is common at the Bermudas, where it breeds.

Noun	1.	tropic - either of two parallels of latitude about 23.5 degrees north and south of the equator representing the points farthest north and south at which the sun can shine directly overhead and constituting the boundaries of the torrid zone or tropics
Adj.	1.	tropic - relating to or situated in or characteristic of the tropics (the region on either side of the equator); "tropical islands"; "tropical fruit" Synonyms: tropical
	2.	tropic - of weather or climate; hot and humid as in the tropics; "tropical weather" Synonyms: tropical

equatorial, tropical