IPA: /ˈɡæskɪt/
KK: /ˈgæs.kɪt/
A piece of material used to create a tight seal between two parts, often to prevent leaks of gas or liquid.
The mechanic replaced the old gasket to stop the engine from leaking oil.
The word 'gasket' originates from Middle English 'gaskette', which is derived from the Old French 'gasquette', meaning a small piece or a small disk. It refers to a small piece used to seal or fit between two surfaces.
Think of a small 'piece' ('gasquette') that helps create a seal between two surfaces — that's what a gasket does.