Top Definition
The Laserium is a laser show put to music and shown at a planetarium. They pick a theme like Pink Floyd's Dark Side of the Moon and make a laser show around it. You could see a Laserium show at the Morrison Planetarium in San Francisco, back in the 70's
Dude, did you check out the Pink Floyd Laserium show last night? It was outta this world.
by Clingoff August 23, 2012
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