- an old-fashioned metal canister used to store and carry water used to put out fires: such canisters were used before the days of modern pressurized fire extinguishers.
- a metaphorical place to put ideas or facts that one wishes to keep out of the public discussion, e.g. in an attempt to evade penalties; (metonymically) cover-up
De onderzoeksresultaten eindigden in de doofpot
- The results of the investigation were eventually covered up.