/ˈgæskɪt ||; ˈgæskɪt/noun [C] a flat piece of rubber, etc placed between two metal surfaces in a pipe or an engine to prevent steam, gas or oil from escaping 橡皮垫圈；密封垫: The engine had blown a gasket (= had allowed steam, etc to escape). 发动机的橡皮垫圈漏气了。 (figurative 比喻) He blew a gasket (= became very angry)at the news. 他一听见这消息就火冒三丈。