Planetarium (Noun)
Meaning 1
A building housing an instrument for projecting the positions of the planets onto a domed ceiling.
Classification
Nouns denoting man-made objects.
Hypernyms
Meaning 2
An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
Classification
Nouns denoting man-made objects.
Meaning 3
An apparatus or model for representing the solar systems.
Classification
Nouns denoting man-made objects.