Definition of gourmandize in English:

gourmandize

(also gormandize) (British gourmandise)

verb

[with object]
  • Eat good food, especially to excess.

    ‘But still, you're not here to hobnob and gourmandise, you're here for that intense spiritual experience.’
    ‘They were also, according to witnesses, gourmandizing on the food stuffs kept by the clergy.’

noun

mass noun
  • The appreciation or consumption of good food.

    • ‘Napoleon's love of gourmandise was nurtured young on his native island.’
    • ‘I guess my gourmandise runs deep.’
    • ‘His interest in gourmandise caused him to taste its flesh, which he found delicious and certainly better than most of our chickens.’

Origin

Late Middle English (as a noun): from French gourmandise, from gourmand; the verb dates from the mid 16th century.

Pronunciation

gourmandize

/ˌɡʊəm(ə)nˈdiːz/ /ˌɡɔːm(ə)nˈdiːz/