BANEBERRY Meaning of BANEBERRY in English ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ nounEtymology: bane (poison) + berry 1. : the acrid poisonous berry of any plant of the genus Actaea2. : a plant of the genus Actaea Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012