field bean

/F IY1 L D B IY1 N/
noun
  1. 1

    (loose) Any of several varieties of bean viewed (in a region's agroeconomy) as a commodity crop grown at scale in farm fields, whether as a food crop, fodder crop, or both; as:

  2. 2

    A string bean, especially Phaseolus vulgaris.

  3. 3

    The hyacinth bean: Lablab purpureus.

  4. 4

    The broad bean: Vicia faba.