I need to succinctly and more-or-less poetically describe a dry lake. As in, a lake that is no longer a lake proper, cuz it is no longer full of water. "It was at the bottom of a dry lake."
Problem is that it's raining heavily, and this not-a-lake is muddy, not dry. Little details like that really bug me! What's the most to-the-point term I can use that's stylistically right for dramatic prose?