It has the hollow base, where you used to keep the midget hidden.

Three nights before, a strip along the bottom of the box had slipped sideways to display a hollow base.

In a natural setting, ants colonize the swollen, hollow base of the plant, where they kill off insects like aphids.

He turned to eye the foundation of his domicile, a simple hollow base of fieldstone on which the log walls were built.

I Just like Josephs promised, there was a gray safe-like box inside the hollow base.

The hollow base was built up by coiling strands of molten glass around a conical core.

Norton's bullet had a hollow base which upon firing expanded under pressure to engage with a barrel's rifling.

Such slugs, always made of lead as are the round balls, have hollow bases.

It had a hollow base, so that, when fired, the bullet would expand and seal the bore.

It has a hollow base which expands to grip the rifling.