(of material) to empty only in the center of a hopper or silo, persisting circumferentially.
to take a conversation off topic, especially in technical meetings.
to hoard.
to surreptitiously or prematurely remove chips during a poker game.
A pigeonhole.
An entrance to a living area or passageway used by mice or rats.
A particularly squalid human residence.
A living area used by mice or rats, or a similar living area used by other animals.
An area of a silo that has undergone ratholing, so that material moves mostly through the centre and accumulates around the edges.