Question

what is means of pluto

Answer 1

in Astronomy the smallest and the major planets ninth from the sun. PLUTO was discovered in 1930 and is named for the Roman God of the under world

Answer 2

$\bold \colorbox{lime}{pluto}$

1 : the Greek god of the underworld — compare dis.

2 [New Latin] : a dwarf planet occupying an orbit that crosses the orbit of Neptune.