1. thin flat rings of metal, rubber, or other material placed between two surfaces to prevent leakage or distribute pressure
2. machines or appliances used for washing clothes or dishes
3. people who wash things, especially as an occupation

Examples

• The plumber replaced the old washers in the faucet to stop the leak.
• Make sure to use rubber washers when installing the new pipes.
• The laundromat has twenty coin-operated washers available.
• Our new dishwasher is much quieter than the old one.
• The car washers worked quickly to clean all the vehicles.
• Steel washers are commonly used in construction projects.
• The apartment complex provides washers and dryers for residents.