Source : Webster's Revised Unabridged Dictionary (1913)

Amphiscii \Am*phis"ci*i\, Amphiscians \Am*phis"cians\, n. pl.
   [Gr. ? throwing a shadow both ways; ? + ? shadow.]
   The inhabitants of the tropic, whose shadows in one part of
   the year are cast to the north, and in the other to the
   south, according as the sun is south or north of their
   zenith.