Definition of Pluto in English:

Pluto

proper noun

  • 1Greek Mythology
    The god of the underworld.

    Also called hades
  • 2Astronomy
    A small planetary body orbiting the sun, discovered in 1930 by Clyde Tombaugh.

Origin

Via Latin from Ploutōn, the Greek name of the god of the underworld.

Pronunciation:

Pluto

/ˈplo͞odō/