flying saucer

The pilot, Captain Eric Studley, who had never seen a flying saucer and hoped never to see one, was afraid now that he had.

You won't bother with any of this routine flying-saucer-scare stuff; just handle the Organization business.

A group of babies vanished during the last big flying saucer scare.

Well—perhaps we should play it safe while the flying saucer folk are watching us!

Or from one of the lower portholes in a giant flying saucer.