What is the meaning of Drupe?

A fruit consisting of pulpy, coriaceous, or fibrous exocarp, without valves, containing a nut or stone with a kernel. The exocarp is succulent in the plum, cherry, apricot, peach, etc.; dry and subcoriaceous in the almond; and fibrous in the cocoanut.

Source: Webster’s Revised Unabridged Dictionary (1913), via OPTED