crossbow
Concise Oxford English Dictionary © 2008 Oxford University Press:
crossbow/ˈkrɒsbəʊ/
▶noun a medieval bow of a kind fixed across a wooden support, having a groove for the bolt and a mechanism for drawing and releasing the string.
– derivatives
crossbowman noun (pl. crossbowmen).
crossbowman noun (pl. crossbowmen).
'crossbow' also found in these Oxford entries:

