A Puddle

1. A small, often temporary, pool of water, usually on a path or road. [from 14th c.]
2. (now dialectal) Stagnant or polluted water. [from 16th c.]
3. A homogeneous mixture of clay, water, and sometimes grit, used to line a canal or pond to make it watertight. [from 18th c.]
4. (rowing) The ripple left by the withdrawal of an oar from the water.