| 1. | a hole made by a rat, as into a room, barn, etc.: The first chore in the old building is to plug up the ratholes. |
| 2. | the burrow or shelter of a rat. |
| 3. | any small and uncomfortable room, office, apartment, etc., esp. one that is dirty or disordered: He lives in a rathole near the docks. |
| 4. | down the rathole, for a worthless purpose or purposes: seeing your inheritance disappear down the rathole. |