Meaning of ALLUVIAL FAN

Pronunciation:			u'looveeul fan
WordNet Dictionary
	Definition:		[n]  a fan-shaped deposit where a fast flowing stream flattens out
	Websites:
	Synonyms:		alluvial cone
	See Also:		geological phenomenon
Glossary
	Definition:		a cone-shaped deposit of sediments generally formed where a mountain stream discharges onto a level surface. Alluvial fan deposits are among the most common surficial sediments in mountainous terrain.