Boyd’s Bible Dictionary:
(retreat). The well, now Ain Sarah, from which Abner was called by Joab. It was near Hebron (2 Sam. 3:26).
Concise Bible Dictionary:
A well near Hebron, from which Abner was recalled by Joab (2 Sam. 3:26). There is a spring and reservoir near the ancient road which Abner would naturally have taken, called Ain Sareh, about a mile from Hebron.
Strong’s Dictionary of Hebrew Words:
Meaning:
from 5493; departure; Sirah, a cistern so-called
Jackson’s Dictionary of Scripture Proper Names:
turning aside
Potts’ Bible Proper Names:
Going back; retreat; departure:― a well near Hebron, 2 Sam. 3:26. {Recessio}