Meaning of SIMA

Pronunciation:			s'eemu
WordNet Dictionary
	Definition:		[n]  rock that form the continuous lower layer of the earth's crust; rich in silicon and magnesium
	Websites:
	See Also:		crust, Earth's crust, rock, stone
Webster's 1913 Dictionary
	Definition:		\Si"ma\, n. (Arch.) A cyma.