rathole

noun

1. An entrance to a living area or passageway used by mice or rats.
2. A living area used by mice or rats, or a similar living area used by other animals.

   “Bhantus catch the sanda, or broad-tailed lizard, which dwells in rat-holes in the ground and lives always in fear of the cobra.”

3. A particularly squalid human residence or other place.
4. An area of a silo that has undergone ratholing, so that material moves mostly through the centre and accumulates around the edges.
5. A pigeonhole.

verb

1. (transitive)To hoard.
2. (transitive)To take a conversation off topic, especially in technical meetings.
3. (transitive)To surreptitiously or prematurely remove chips during a poker game.
4. (intransitive)To exit a cash game and re-enter with a smaller stack.
5. (intransitive)(of material) To empty only in the center of a hopper or silo, persisting circumferentially.