"The words of Jonadab the son of Rechab, which he commanded his sons not to drink wine, are observed. So they do not drink wine to this day, for they have obeyed their father's command. But I have spoken to you again and again; yet you have not listened to Me.
Strong's Concordance
Original word: גֵּבִים
Transliteration: geb
Definition (short): beam
Definition (full): a log, well, cistern
Strong's Exhaustive Concordance
From guwb; a log (as cut out); also well or cistern (as dug) -- beam, ditch, pit.
KJV: And their nobles have sent their little ones to the waters: they came to the pits, and found no water; they returned with their vessels empty; they were ashamed and confounded, and covered their heads.
NASB: "Their nobles have sent their servants for water; They have come to the cisterns and found no water. They have returned with their vessels empty; They have been put to shame and humiliated, And they cover their heads.