| acheronian | (adj) dark and dismal as of the rivers Acheron and Styx in Hades; ; -Wordsworth, Syn. Acherontic, Stygian, Example: in the depths of an Acheronian forest; upon those roseate lips a Stygian hue |
| chelonian | (n) a reptile of the order Chelonia, Syn. chelonian reptile |
| chelonian | (adj) of or relating to or resembling or being a turtle or tortoise |
| Chelonian | a. (Zool.) Of or pertaining to animals of the tortoise kind. -- |