nose-dive

The effect will then be to keep the nose up and prevent a nose-dive.

A nose-dive seemed inevitable, but once more she came to position.

As it was, it was really almost a nose-dive, and I did the first half of it with the throttle wide open.

Well, Bridgeman isn't back and Tam said he saw him nose-dive behind the German trenches.

She was then "on an even keel," but about to nose-dive towards the surface of the sea, barely a couple of hundred feet below.

But he wouldn't quit yet; the activity might—probably would—take a nose-dive any instant.

I can loop and I can write my initials in fire on a still night—but damned if I do a nose-dive with nothing but a horse under me.

Out of a nose-dive one Frenchman came when so near the ground that I had closed my eyes to avoid seeing the crash.

It was no nose-dive, but bore all the marks of either an engine gone dead or of some mishap to the pilot.

He might have made a nose-dive, trusting to flatten out' and gain the surface of the water.