Meaning of VAPOUR LOCK

WordNet Dictionary
	Definition:		[n]  a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)
	Synonyms:		vapor lock
	See Also:		block, blockage, closure, occlusion, stop, stoppage