soucouyant in English dictionary soucouyant Meanings and definitions of "soucouyant" (Caribbean folklore) A night witch who sucks people's blood, sheds her skin, and can turn herself into a ball of fire and fly. noun (Caribbean folklore) A night witch who sucks people's blood, sheds her skin, and can turn herself into a ball of fire and fly. more Grammar and declension of soucouyant soucouyant ( plural soucouyants) soucouyant (plural soucouyants) more Sample sentences with "soucouyant" Declension Stem Try again Authors