The men of Israel had arranged a signal with the men in ambush: When they sent up a great cloud of smoke from the city,
KJV
Now there was an appointed sign between the men of Israel and the liers in wait, that they should make a great flame with smoke rise up out of the city.
ASV
Now the appointed sign between the men of Israel and the liers-in-wait was, that they should make a great cloud of smoke rise up out of the city.