PLANETARIUM
planetarium
(noun) an apparatus or model for representing the solar systems
planetarium
(noun) an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
planetarium
(noun) a building housing an instrument for projecting the positions of the planets onto a domed ceiling
Source: WordNet® 3.1
Etymology
Noun
planetarium (plural planetariums or planetaria)
A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
An orrery.
Anagrams
• retapamulin
Source: Wiktionary
Plan`e*ta"ri*um, n. Etym: [NL.: cf. F. planétaire. See Planetary.]
Definition: An orrery. See Orrery.
Source: Webster’s Unabridged Dictionary 1913 Edition