(swimming) a swimming pool, a pool / (billiards) pool, a game at billiards

pool, put together

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

swimming pool

an office pool: a betting pool conducted at one's place of employment

(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)