powder magazine

It had been so long used as a powder-magazine that no tradition remained in the neighborhood that it had ever been a windmill.

And, of course, the German submarines were out to stop them; the whole world was like a powder-magazine over the issue.

In Gallipoli a thunder-bolt struck the powder-magazine, and five hundred workmen were blown into the air.

Bob Harvey had reclosed the door of the powder-magazine, and a movement on the deck indicated a general awakening of the pirates.