Noun scarlet runner has 3 senses
- scarlet runner, scarlet runner bean, Dutch case-knife bean, runner bean, Phaseolus coccineus, Phaseolus multiflorus - tropical American high-climbing bean with red flowers and mottled black beans similar to Phaseolus vulgaris but perennial; a preferred food bean in Great Britain
--1 is a kind of bean, bean plant
- scarlet runner, running postman, Kennedia prostrata - hairy trailing or prostrate western Australian vine with bright scarlet-pink flowers
--2 is a kind of coral pea
- scarlet runner, scarlet runner bean, runner bean, English runner bean - long bean pods always sliced into half-inch lengths; a favorite in Britain
--3 is a kind of green bean
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