Meaning of 'tropic'

adjective

of weather or climate

Example: "hot and humid as in the tropics"

Synonyms: tropical

adjective

relating to or situated in or characteristic of the tropics (the region on either side of the equator)

Example: "tropical islands"

Synonyms: tropical

noun

either of two parallels of latitude about 23.5 degrees to the 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