spacearium — noun

Meaning: A theater with a domed or concave screen on which space scenes are displayed.

Etymology: English blend, space + -arium (from Latin -ārium, “a place for”). Modelled after planetarium/solarium.

In a sentence: “We booked the spacearium for the meteor-shower premiere and piped in a Hans Zimmer score.”

Why I love it: I love the stars—and the theater. It’s both, under one dome.