What we need is a big resonating chamber, to produce the low notes.

The lock is like a big chamber with gates at each end.

They gave him a big upper chamber, but some repairs were going on below.

As if he thought we'd suck up all the air in that big chamber and not leave any for Owen to have his fit with.

I was thrust into a big chamber with benches all around.

"Just tell me that we're almost to this big upper chamber of yours."

Yet I had no desire to leave the big circular chamber.

Quite soon the gallery opened out into a big chamber.

The astronauts floated down to the floor of the big empty chamber.

They reached a room, much smaller than either the big chamber or the cave.