ma·ha·leb 
(mä
h
ə-l
ĕb
′)
n. A small Eurasian ornamental tree (Prunus mahaleb) of the rose family, having white flowers and small black drupes, each with a single whitish or buff-colored seed. The seeds are ground and used to flavor breads, pastries, and cheese in Middle Eastern cuisine.
[Arabic maḥlab, from ḥalaba, to milk; see x̣lb in the Appendix of Semitic roots.]