crossbow Syllabification: (cross·bow)Pronunciation: /ˈkrôsˌbō/Translate crossbow | into German | into Italian | into Spanish Definition of crossbow noun a medieval bow of a kind that is fixed across a wooden support and has a groove for the bolt and a mechanism for drawing and releasing the string. Derivatives crossbowmanPronunciation: /-ˌbōmən/ noun (plural crossbowmen)crossbow in other Oxford dictionaries Definition of crossbow in the British & World English dictionary