1.
Astronomy. A celestial body that orbits a planet; a moon.
2. Aerospace. An object launched to orbit Earth or another celestial body.
3. One who attends a powerful dignitary; a minion.
4. A subservient follower; a sycophant.
5. A nation dominated politically and economically by another nation.
6. An urban or suburban community located near a big city.
7. Genetics. A short segment of a chromosome separated from the rest by a constriction, typically associated with the formation of a nucleolus.
8. Microbiology. A colony of microorganisms whose growth in culture medium is enhanced by certain substances produced by another colony in its proximity.