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rat +‎ hole


rathole ‎(plural ratholes)

  1. An entrance to a living area or passageway used by mice or rats.
  2. A living area used by mice or rats.
  3. A particularly squalid human residence.
  4. An area of a silo that has undergone ratholing, so that material moves mostly through the centre and accumulates around the edges.


rathole ‎(third-person singular simple present ratholes, present participle ratholing, simple past and past participle ratholed)

  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) (of material) to empty only in the center of a hopper or silo, persisting circumferentially.