1. ( (Roman mythology) god of the underworld
counterpart of Greek Hades)
Orkus, Orcus
synonim: Dis
synonim: Dis Pater
synonim: Orcus

2. (a large asteroid that was once thought to be the farthest known planet from the sun
it has an elliptical orbit
"Pluto was discovered by Clyde Tombaugh in 1930")
Pluton: :