Definition of satellite
1a
: a celestial body orbiting another of larger size
b
: a manufactured object or vehicle intended to orbit the earth, the moon, or another celestial body
2
: someone or something attendant, subordinate, or dependent
especially
: a country politically and economically dominated or controlled by another more powerful country
3
: a usually independent urban community situated near but not immediately adjacent to a large city
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Merriam-Webster unabridged
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The first known use of satellite was circa 1520
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