pluto Meaning, Definition & Usage

  1. noun a cartoon character created by Walt Disney
  2. noun (Greek mythology) the god of the underworld in ancient mythology; brother of Zeus and husband of Persephone
    Aidoneus; Aides; Hades.
  3. noun a small planet and the farthest known planet from the sun; it has the most elliptical orbit of all the planets
    • Pluto was discovered by Clyde Tombaugh in 1930

WordNet

Plu"to noun
Etymology
L., fr. Gr. .
Definitions
  1. (Class. Myth.) The son of Saturn and Rhea, brother of Jupiter and Neptune; the dark and gloomy god of the Lower World.

Webster 1913