satellite

noun

• 1an artificial body placed in orbit round the earth or another planet in order to collect information or for communication: a communications satellite a spy satellite [mass noun]:the report was sent via satellite
• [as modifier] transmitted by satellite; using or relating to satellite technology:satellite broadcasting
• [mass noun] satellite television:a news service on satellite

• 2 Astronomy a celestial body orbiting the earth or another planet.

• 3 [usually as modifier] something that is separated from or on the periphery of something else but is nevertheless dependent on or controlled by it:satellite offices in London and New York
• a small country or state politically or economically dependent on another: the Soviet Union and its satellite states
• a community or town dependent on a nearby larger town: with good motorway and rail links, satellite towns like Thornbury have grown rapidly

• 4 Genetics a portion of the DNA of a genome with repeating base sequences and of different density from the main sequence.