Main Entry: ¹pool

Pronunciation: \ˈpül\

Function: noun

Etymology: Middle English, from Old English pōl; akin to Old High German pfuol pool

Date: before 12th century

1 a (1) : a small and rather deep body of usually fresh water (2) : a quiet place in a stream (3) : a body of water forming above a dam b : something resembling a pool <a pool of light>
2 : a small body of standing liquid
3 : a continuous area of porous sedimentary rock that yields petroleum or gas
4 : swimming pool