Meaning of POINT OF PERIAPSIS

WordNet Dictionary
	Definition:		[n]  (astronomy) the point in as orbit closest to the body being orbited
	Synonyms:		periapsis
	Antonyms:		apoapsis, point of apoapsis
	See Also:		celestial orbit, celestial point, orbit, perigee, perihelion, perijove, perilune, periselene