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).
[1913 Webster]