And is that a zap gun before us in the battle scenes?

Can we come up with what they call a 'zap gun'?

I think a civilized being could have repaired the third zap gun, as you called it.

The purpose of all this activity is to destroy the zap gun, as you called it.

A complex machine; and the zap guns had burnt it out.

What do you call a giant alien monster with a zap gun?

I looked at the zap gun and remembered the joke.

I picked up what was left of the zap gun; it would make a great gift for him.

He grabbed the zap gun and the whole crowd of peasants took off for the woods.

Your only clue may be that it looks like the first zap gun.