As a Noun:
1. The framework of bones which supports and protects your organs and muscles. English = skeleton.
2. The curved bones that go from your backbone to your chest. English = ribs.
3. The structure of ribs in your chest. English = rib cage.
As a Verb or Adjective:
1. To be extremely thin and weak because of illness or lack of food. English = (be) emaciated.