noun
tropical American bean with red flowers and mottled black beans similar to Phaseolus vulgaris but perennial; a preferred food bean in Great Britain
• Syn: ↑scarlet runner, ↑scarlet runner bean, ↑Dutch case-knife bean, ↑runner bean, ↑Phaseolus coccineus
• Hypernyms: ↑pole bean
Useful english dictionary. 2012.