Meaning of DUTCH CASE-KNIFE BEAN

WordNet Dictionary
	Definition:		[n]  tropical American high-climbing bean with red flowers and mottled black beans similar to Phaseolus vulgaris but perennial; a preferred food bean in G Britain
	Synonyms:		Phaseolus coccineus, Phaseolus multiflorus, runner bean, scarlet runner, scarlet runner bean
	See Also:		bean, bean plant