bonfire
/ˈbɒnˌfaɪə(r)/noun
- a large open-air fire used for burning rubbish or as part of a celebration篝火, 营火; （为销毁垃圾而燃的）火堆。
词源
late Middle English: from BONE + FIRE. The term originally denoted a large open-air fire on which bones were burnt (sometimes as part of a celebration), also one for burning heretics or proscribed literature. Dr Johnson accepted the mistaken idea that the word came from French bon 'good'.