Webster's Revised Unabridged Dictionary · 1913

Elais

Elais , noun

[New Latin, from Greek {not transcribed} olive tree.]

(Botany) A genus of palms.

Elais Guineensis, the African oil palm, is a tree twenty or thirty feet high, with immense pinnate leaves and large masses of fruit. The berries are rather larger than olives, and when boiled in water yield the orange-red palm oil.

Also: Elaeis