say it: PLOO-toh
pluto is a noun meaning "a cartoon character created by Walt Disney". It carries 3 recorded senses.
a cartoon character created by Walt Disney
(Roman mythology) god of the underworld; counterpart of Greek Hades
Roman mythology
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”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for pluto come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.