Parts of a crossbow

[Primaflora]

What is the part of a crossbow that crosses the bow?

[Q.E.D]

It’s called the bow, straightforwardly enough. Here is a list of terminology associated with crossbows.

[Q.E.D]

D’oh! The part you mean is called the stock or the tiller. I read your question wrong, sorry.

[gbrohman]

@Primaflora

What is the part of a crossbow that crosses the bow?

The cross is the bow, as it crosses the stock.As