D defs.my
Entry 1 sense Webster, 1913

Styx

/stĭks/ · IPA /stɪks/
01 n. The principal river of the lower world, which had to be crossed in passing to the regions of the dead.
  1. 1.
    The principal river of the lower world, which had to be crossed in passing to the regions of the dead.(Class. Myth.)