perigeenoun [ C or U ]
/ˈper.ɪ.dʒiː//ˈper.ɪ.dʒiː/specializedthe point in the orbit (= curved path) of the moon or a satellite when it it is closest to the earth :
The moon will be at perigee, its closest to the earth, on the 8th of the month.
Compare
apogee