As a Noun:
1. The act of moving quickly downwards or towards the ground. English = fall.
2. The act of accidentally moving or being pushed from an upright position so that you end up lying on the ground. English = fall.
As a Verb or Adjective:
1. Of someone or something, to move quickly downwards or towards the ground. English = fall.
2. Of someone or something, to accidentally move or be pushed from an upright position so that they end up lying on the ground. English = fall, fall down, fall over.