bed load

noun

, Geology.

1. the sand, gravel, boulders, or other debris transported by rolling or sliding along the bottom of a stream.

Example Sentences

Ten already, and there seem to be three tent loads, one bed load, one chair and table load, one lantern load, two miscellaneous loads, two cook loads, one personal box, and fifteen chop boxes-total twenty-six, plus the staff, as above, thirty-six.

From Project Gutenberg