Definition of ructation in US English:

ructation

noun

rare
  • The action of belching; a belch.

Origin

Early 17th century; earliest use found in Henry Cockeram (fl. 1623–1658), lexicographer. From post-classical Latin ructation-, ructatio act of belching from classical Latin rūctāt-, past participial stem of rūctāre + -iō. Compare earlier ructuation and ruct.

Pronunciation

ructation

/rʌkˈteɪʃn/