noun
infinity pool
A swimming pool designed so that the water appears to merge with the horizon or a larger body of water, often with an overflowing edge.
リゾートホテルのインフィニティプールから海が一望できた。
From the resort hotel's infinity pool, we could see the ocean stretching out before us.
Variant with interpunct; less common but still seen.
Loanword from English 'infinity pool'.