1. flat pieces of rubber, cork, or other material placed between two surfaces to prevent leakage of gas or liquid

Examples

• The mechanic replaced the worn gaskets in the engine.
• Make sure the gaskets are properly seated before tightening the bolts.
• Oil was leaking because the gaskets had deteriorated over time.
• The plumber installed new gaskets on all the pipe joints.
• These rubber gaskets will prevent water from seeping through.
• Check the gaskets regularly to avoid costly repairs later.