rathole
noun
1. a hole (as in the wall of a building) made by rats
Definition categories: object, hole
2. a small dirty uncomfortable room
Definition categories: man–made, room
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) (of material) to empty only in the center of a hopper or silo, persisting circumferentially.