[yard-long bean] n (1926): the edible 1- to 3-foot (0.3- to 0.9- meter) long thin stringless fruit of a plant of a subspecies (Vigna unguiculata sesquipedalis) of the cowpea; also: the plant
YARD-LONG BEAN
Meaning of YARD-LONG BEAN in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012