Collins COBUILD Advanced Learner's English Dictionary - laughter

Frequency: The word is one of the 3000 most common words in English. 1. Laughter is the sound of people laughing, for example because they are amused or happy. Their laughter filled the corridor... He delivered the line perfectly, and everybody roared with laughter. ...hysterical laughter. N-UNCOUNT 2. Laughter is the fact of laughing, or the feeling of fun and amusement that you have when you are laughing. Pantomime is about bringing laughter to thousands... N-UNCOUNT