a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
any natural satellite of a planet; "Jupiter has sixteen moons"
the natural satellite of the Earth; "the average distance to the moon is 384,400 kilometers"; "men first stepped on the moon in 1969"
any object resembling a moon; "he made a moon lamp that he used as a night light"; "the clock had a moon that showed various phases"
United States religious leader (born in Korea) who founded the Unification Church in 1954; was found guilty of conspiracy to evade taxes (born in 1920)
(theology) the origination of the Holy Spirit at Pentecost; "the emanation of the Holy Spirit"; "the rising of the Holy Ghost"; "the doctrine of the procession of the Holy Spirit from the Father and the Son"
something that is emitted or radiated (as a gas or an odor or a light etc.)