Meaning of ふくすい in Japanese

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Definition of ふくすい

ふくすい(fukusui) 【伏水】

ふくすい(fukusui) 【腹水】

ふくすいぼんにかえらず(fukusuibonnikaerazu) 【覆水盆に返らず ·覆水盆に帰らず】

(exp) what's done is done (lit: spilt water won't go back into its tray); that's water under the bridge; it is no use crying over spilt milk
諺に、覆水盆に返らずと言う。
The proverb says that what is done cannot be undone.

ふくすいき(fukusuiki) 【復水器】