noun / verb
pool
POOL/puːl/
A small body of still liquid gathered in one place.
A small pool of calm water gathers among stones and grass.

Etymology
Old English pol could name either a small body of water or a deep, still place within a stream. The inherited connection is with water gathered in a quiet place, not necessarily a separate pond.
In context
I've made like a little pool of water in my yellow paint, which is good because that will help me get good color.
More examples
- Melted butter pools in the center of the warm plate.
- Oil pooled beneath the parked car overnight.
- Tiny fish dart through shallow pools beside the stream.
Forms
pool · pools · pooled · pooling