n.[C]

1. 大災，大禍，大災難
   The flood in Venice was a major catastrophe.

   威尼斯的洪水是一場大災難。

2. 大敗，慘敗
3. 翻天覆地的事件
4. （悲劇或其他文學作品的）結局
   The catastrophe of a tragedy usually brings death or ruin to the leading character.

   悲劇的結局常常是主角的死亡或徹底失敗。

n.

1. an event causing great damage or suffering.
2. the denouement of a drama, especially a classical tragedy.