noun Geology.
- a turbid, dense current of sediments in suspension moving along the slope and bottom of a lake or ocean.
noun Geology, Oceanography.
noun
- a swirling mass of water and suspended material stirred up by a tsunami, a storm, a river in flood, etc
- A swift downhill current in water, air, or other fluid, triggered by the weight of suspended material such as silt in a current flowing down a continental shelf or snow in an avalanche.