(obsolete) usher

plural of acher

(Greek mythology) A river in the infernal regions; also, the infernal regions themselves. By some of the English poets, it was supposed to be a flaming lake or gulf. / (literary) Hell

A language of Sudan.

Of, pertaining to or resembling Acheron (one of the rivers located in the underworld according to ancient Greek mythology). / (figuratively) Of or pertaining to hell.

(astronomy) an area of intense tectonic activity on the surface of Mars; photographed in detail by Mars Express

Of or pertaining to Acheron.

(astronomy) The primary component of the binary system Alpha Eridani.

Alternative form of Acherontic

Alternative form of Acherontic