stream pool
stretch of a river or stream in which the water depth is above average and the water velocity is quite below average; quiet slow-moving portion of a stream
en-GB/ˈstɹiːm ˈpuːl/
en-US/ˈstɹim ˈpul/
stretch of a river or stream in which the water depth is above average and the water velocity is quite below average; quiet slow-moving portion of a stream