noun
swimming pool; pool
The most common meaning: a swimming pool or wading pool.
夏休みは毎日プールに行った。
I went to the pool every day during summer vacation.
noun
pool; pocket billiards
Refers to the cue sport, often called ビリヤード in general, but プール specifically means pool.
彼はプールが上手で、よくナインボールをプレイする。
He is good at pool and often plays nine-ball.
noun, noun or participle which takes 'suru', transitive verb
pooling; putting together
Used for pooling money, resources, or efforts. Can be used as a suru-verb (プールする).
旅行のためにみんなでお金をプールした。
We pooled our money for the trip.
noun
pool; price ring
Economics term: a cartel or agreement to fix prices. Rare outside technical contexts.
その業界では価格プールが結成されていた。
A price pool had been formed in that industry.