Definition of mutterance in English:

mutterance

noun

rare
  • Muttering; a muttered utterance.

Origin

Late 16th century (in an earlier sense). From mutter + -ance, probably punningly after utterance.

Pronunciation

mutterance

/ˈmʌt(ə)rəns//ˈmʌt(ə)r(ə)ns/