释义 |
met·calfe bean \ˈmetˌkaf-, -_kəf-, -ˌkȧf\ noun Usage: usually capitalized M Etymology: after J. K. Metcalfe who introduced it to the southwestern United States in the late 19th century 1. : a prostrate perennial bean (Phaseolus metcalfei) of the southwestern United States and adjacent Mexico that is sometimes cultivated for forage 2. : the flat circular brownish black seed of the Metcalfe bean |