1. (n.) The bony and cartilaginous framework which supports the soft parts of a vertebrate animal.
2. (n.) The more or less firm or hardened framework of an invertebrate animal.
3. (n.) A very thin or lean person.
4. (n.) The framework of anything; the principal parts that support the rest, but without the appendages.
5. (n.) The heads and outline of a literary production, especially of a sermon.
6. (a.) Consisting of, or resembling, a skeleton; consisting merely of the framework or outlines; having only certain leading features of anything; as, a skeleton sermon; a skeleton crystal.