Smith's Bible Dictionary (1863)
(twofold hope), one of the landmarks on the northern boundary of the holy land as stated by Ezekiel. (Ezekiel 47:16) It has not been identified.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
SIB'RAIM (twofold hope), a landmark in the northern boundary of Palestine between Damascus and Hamath. Eze 47:16.