Meaning of 三界 in Japanese

Definition of 三界

さんがい(sangai) 【三界】

(n) (Buddh) the three realms of existence →Related words: 欲界 , 色界 , 無色界
(Buddh) the whole universe (of a billion worlds) that Buddha enlightened →Related words: 三千大千世界
(Buddh) past, present and future existences →Related words: 三世
(suf) far-off ...; distant ...

さんがいるてん(sangairuten) 【三界流転】

(n) endless cycle of rebirth through the three worlds of past, present, and future existences (Buddhist)

こはさんがいのくびかせ(kohasangainokubikase) 【子は三界の首枷】