poetic. = torrid zone at torrid, adj. 1b.

esp. in torrid zone, the region of the earth between the tropics. (Originally in Latin form, torrida zona or zona torrida; cf. Virg. Georg. 1. 234.)

Geography. In plural with the. The region between and adjacent to these parallels; the torrid zone.

Geography, etc. Each of the five ‘belts’ or encircling regions, distinguished by differences of climate, into which the surface of the earth (and, in…