also: つきせかい
moon; lunar world
Formal or literary term for the moon as a world or realm. Often used in poetic, science-fiction, or descriptive contexts.
He dreamed of exploring the lunar world.
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.
I bought Tsukisekai as a souvenir from Toyama.