Pool (?), n. [AS. pōl; akin to LG. pool, pohl, D. poel, G. pfuhl; cf. Icel. pollr, also W. pwll, Gael. poll.] 1. A small and rather deep collection of (usually) fresh water, as one supplied by a spring, or occurring in the course of a stream; a reservoir for water; as, the pools of Solomon. Wyclif.
Charity will hardly water the ground where it must first fill a pool. Bacon.
The sleepy pool above the dam. Tennyson.
2. A small body of standing or stagnant water; a puddle. “The filthy mantled pool beyond your cell.” Shak.