Source : Webster's Revised Unabridged Dictionary (1913)

Berseem \Ber*seem"\, n. [Ar. bersh[=i]m clover.]
   An Egyptian clover ({Trifolium alexandrinum}) extensively
   cultivated as a forage plant and soil-renewing crop in the
   alkaline soils of the Nile valley, and now introduced into
   the southwestern United States. It is more succulent than
   other clovers or than alfalfa. Called also {Egyptian clover}.