skeleton

noun

1. Anatomy, Zoology. the bones of a human or an animal considered as a whole, together forming the framework of the body.
2. any of various structures forming a rigid framework in an invertebrate.
3. an emaciated person or animal.
4. a supporting framework, as of a leaf, building, or ship.
5. an outline, as of a literary work: the skeleton of the plot.
6. something reduced to its essential parts.