1 a thin dry biscuit that is often eaten with cheese 薄脆饼干（多与干酪一起吃） ☞picture at cake 见cake插图

2 (also Christmas cracker) a cardboard tube covered in coloured paper and containing a small present. Crackers are pulled apart by two people, each holding one end, at Christmas parties. They make a loud noise as they break. 圣诞鞭炮（内有小礼物）

3 (Brit 英) (informal 非正式) a very good example of sth 一个极好的例子: That story he told was a real cracker. 他讲的那个故事确实很精彩。