lucerne

/luːˈsɜːrn/
noun
  1. A plant grown as animal feed, also known as alfalfa, with small purple flowers and leaves divided into three parts.
    • Lucerne hay is rich in protein and good for horses.
    • The farmer planted lucerne to feed his cows during the winter.
    • She grew lucerne in the field to improve the soil quality.
Synonyms