The Collaborative International Dictionary
Heteroscian
Heteroscian \Het`er*os"cian\, n. [Gr. ?; ? other + ? shadow: cf. F. h['e]t['e]roscien.] One who lives either north or south of the tropics, as contrasted with one who lives on the other side of them; -- so called because at noon the shadows always fall in opposite directions (the one northward, the other southward).
Wiktionary
heteroscian
n. One who lives either north or south of the Tropics, as contrasted with one who lives on the other side of them.