Alternative form of <xref>tropic</xref> (one of two specific lines of latitude that divide the Northern and Southern hemispheres, respectively; the <xref>Tropic of Cancer</xref> and the <xref>Tropic of Capricorn</xref>).
User Defined Definitions
"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 constitut"
"of weather or climate; hot and humid as in the tropics"