As customers enter through heavy steel doors, a spiked ceiling will lower.

The drawback is that the ceiling is continually lowering.

In storage or travel mode, the ceiling lowers to about bed level.

At last, the ceiling of the set lowered upon the people, confining them in their private realms.

The bill would give a $500-per-child credit to households with up to $200,000 in taxable income; the dissidents want that ceiling lowered to $95,000.

The ceiling lowered until the grolls had to duck-walk.

And now he realizes that the ceiling had been lowering.

She used her crampons for purchase on the slippery slope, ducking as the ceiling lowered.

When he was able to go farther, he noticed that the ceiling was lowering again, back to two, maybe three feet high.

The ceiling lowered and the walls got closer, the passage narrowing finally into a tunnel.