After drivers get out the main pool the cold air can cause muscle cramping, so they get in the small pool of warm water to try and stop that from happening
A puddle is a very small pool, usually left by a rain storm.
A kiddie pool is the small pool that you see at a park next to the larger pool. It gives the children who are too small to even get into the shallow end of the big pool a place to get wet and swim the best way they know how.
loosen muscles
A 9000 gallon pool {;-). A small above ground pool.
The small pool is a hot tub; divers go in to keep their muscles loose.
Answers:geographic separation
I think you mean plunge pool. It is similar to a splash pool. IE just a small pool you can plunge into just to cool off
A small "pool" of molten metal that is manipulated to crate a weld bead.
small to medium
A waterhole.
My pool which is a small to medium sized pool took about 2 days.