The Collaborative International Dictionary
Alatern
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.
Wiktionary
alatern
n. An ornamental evergreen shrub ((taxlink Rhamnus alaternus species noshow=1)) belonging to the buckthorns.