English version

river bed in Geography topic

From Longman Dictionary of Contemporary Englishriver bedˈriver bed noun [countable]  SGthe ground at the bottom of a riversea bed
Examples from the Corpus
river bedThe entrepreneur made a million dollars out of Pet Rocks-rocks that you could find in any river bed.By proceeding a little further, a scrambling descent to the river bed may be made.It was thus possible to assemble a bridge pier and lower it complete on to the river bed.To my astonishment I find that we use the river bed as a road.