Definitions for "Perigee"
That point, in the orbit of the moon or other body orbiting the earth, which is nearest to the earth; -- opposed to apogee. It is sometimes, but rarely, used of the nearest points of bodies not orbiting the earth, such as of a comet, a planet, etc. Called also epigee, epigeum.
On the orbit of the moon relative to the earth, the point nearest the earth. Opposed to apogee.
Point of an orbit closest to the Earth