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Definition of Perigee
1. Noun. Periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth.
Definition of Perigee
1. n. That point in the orbit of the moon which is nearest to the earth; -- opposed to apogee. It is sometimes, but rarely, used of the nearest points of other orbits, as of a comet, a planet, etc. Called also epigee, epigeum.
Definition of Perigee
1. the point in the orbit of a celestial body which is nearest to the earth [n -S] : PERIGEAL, PERIGEAN [adj]