Lavaka is a Malagasy word which means literally large hole and which is used to describe gullies create by torrential water after strong precipitations.

There is no consensus at present on the genesis of these gullies, anthropogenic for certain experts and formed naturally for the others.

See too

Random links:Ether (mythology) | Self-closing valve | Aliinu' U Koko | Shirel | Rocco Rock'n'roll

© 2007-2008 speedlook.com; article text available under the terms of GFDL, from fr.wikipedia.org