[bә'si:m]
n.
[植]埃及车轴草,亚历山大车轴草

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}.
[Webster 1913 Suppl.]