<Table> <Tr> <Td> </Td> <Td> Look up rill in Wiktionary, the free dictionary . </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Look up rill in Wiktionary, the free dictionary . </Td> </Tr> <P> In hillslope geomorphology, a rill is a shallow channel (no more than a few tens of centimetres deep) cut into soil by the erosive action of flowing water . Similar but smaller incised channels are known as microrills; larger incised channels are known as gullies . </P> <P> Artificial rills are channels constructed to carry a water supply from a distant water source . In landscape or garden design, constructed rills are an aesthetic water feature . </P>

What is the difference between a rill gully stream and river