alaternus

from The Collaborative International Dictionary of English v.0.48

Alatern \Al"a*tern\, Alaternus \Al`a*ter"nus\, n. [L. ala wing +
   terni three each.] (Bot.)
   An ornamental evergreen shrub ({Rhamnus alaternus}) belonging
   to the buckthorns.
   [1913 Webster]