WILLOWBITER Meaning of WILLOWBITER in English ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun Britain : either of two titmice:a. : blue titb. : marsh tit Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012