the cold region inside the Arctic or Antarctic Circle where the sun's rays are very oblique
WordReference Random House Unabridged Dictionary of American English © 2026
Frig′id Zone′,
- Geographyeither of two regions, one between the Arctic Circle and the North Pole, or one between the Antarctic Circle and the South Pole.
- 1590–1600
Collins Concise English Dictionary © HarperCollins Publishers::
'Frigid Zone' also found in these entries (note: many are not synonyms or translations):