also: つきせかい
noun
moon; lunar world
Formal or literary term for the moon as a world or realm. Often used in poetic, science-fiction, or descriptive contexts.
彼は月世界の探検を夢見ていた。
He dreamed of exploring the lunar world.
noun
Tsukisekai (sweet)
Only with reading つきせかい
A trademarked pale yellow rectangular sweet, a specialty of Toyama city. Read as つきせかい.
富山のお土産に月世界を買った。
I bought Tsukisekai as a souvenir from Toyama.