The Collaborative International Dictionary
Water pocket
Water pocket \Water pocket\ A water hole in the bed of an intermittent stream, esp. the bowl at the foot of a cliff over which the stream leaps when in the flood stage. [Western U. S.]
Usage examples of "water pocket".
Finally, when they reached the first stringer water pocket and had to turn in, they found the girl barely perspiring and not the least bit winded, although she stopped when they did and went over and drank deeply of the clear water.