(ˈ)när|bän- noun
or nar·bo·nus vetch (ˈ)när|bōnəs-
Etymology: narbonne from Narbonne, France; narbonus New Latin, from Latin Narbon-, Narbo Narbonne
: an annual vetch ( Vicia narbonensis ) that is native to southern Europe but used elsewhere as a forage crop and that has leafy stipules and leaves 3/4 inch or more broad