Easton's Bible Dictionary (1897)
A separation, (1 Sam. 20:19), a stone, or heap of stones, in the neighbourhood of Saul’s residence, the scene of the parting of David and Jonathan (42). The margin of the Authorized Version reads, “The stone that sheweth the way,” in this rendering following the Targum.
Smith's Bible Dictionary (1863)
(departure), The stone, a well-known stone in the neighborhood of Saul’s residence, the scene of the parting of David and Jonathan.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
E'ZEL(departure), THE STONE, near Saul's residence, and noted as the place where Jonathan and David parted. 1 Sam 20:19.
Hitchcock's Bible Names (1869)
going abroad; walk