Meaning of THUNDERCLOUD

Pronunciation:			'thundur`klawd
WordNet Dictionary
	Definition:		[n]  a dark cloud of great vertical extent charged with electricity; associated with thunderstorms
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	Synonyms:		cumulonimbus, cumulonimbus cloud
	See Also:		cloud
Webster's 1913 Dictionary
	Definition:		\Thun"der*cloud`\, n. A cloud charged with electricity, and producing lightning and thunder.