Planetarium : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: Planetarium	by the DICT Development Group
2 results for Planetarium
From WordNet (r) 3.0 (2006) [wn]:
planetarium n a building housing an instrument for projecting the positions of the planets onto a domed ceiling an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome an apparatus or model for representing the solar systems
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Planetarium \Plan`eta"rium\, n. [NL.: cf. F. plan[82]taire. See {Planetary}.] An orrery. See {Orrery}.