As a Noun:
1. A piece of clothing that covers your body from the waist downwards, and covers each leg separately. English = trousers, pants.
2. Casual trousers. English = slacks.
3. Casual trousers made of denim. English = jeans.
As a Verb or Adjective:
1. To be wearing or to put on a pair of trousers, pants, slacks or jeans.