source: By Sengenmaru - Own work, CC BY-SA 4.0

a small body of still water formed naturally or by hollowing or embanking:

池, 人口［天然］池 (!一般にlakeより小さくpoolより大きい)

e.g. a garden pond.

(the pond) humorous the Atlantic Ocean:

〖the ～〗 海; ｟おどけて｠ (特に)大西洋

e.g. he's relatively unknown on this side of the pond.

verb with object

hold back or dam up (flowing water or another liquid) to form a small lake:

〈流れ〉をせき止める, せき止めて池にする(up)

e.g. the lava can't flow away and gets ponded up in the crater.

no object (of flowing water or other liquids) form a small lake:

〈水たまりが〉(広がって)池(のよう)になる

e.g. (as noun ponding) : where a path goes down into a dip, you'll have to ensure that ponding doesn't occur.

Middle English: alteration of pound3, commonly used in dialect in the same sense.