say it: GLUHT-uh-nee
gluttony is a noun meaning "habitual eating to excess". It carries 2 recorded senses.
habitual eating to excess
eating to excess (personified as one of the deadly sins)
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 gluttony 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.