·noun Any shrub or tree of the genus Tamarix, the species of which are European and Asiatic. They have minute scalelike leaves, and small flowers in spikes. An Arabian species (T. mannifera) is the source of one kind of manna.
Heb. eshel (Gen. 21:33; 1 Sam. 22:6; 31:13, in the R.V.; but in A.V., "grove," "tree"); Arab. asal. ...
Easton's Bible Dictionary