'Liers in wait' in the Bible
And when they had set the people, even all the host that was on the north of the city, and their liers in wait on the west of the city, Joshua went that night into the midst of the valley.
And the men of Shechem set liers in wait for him on the top of the mountains, and they robbed all that came along that way by them: and it was told Abimelech.
Delilah therefore took new ropes, and bound him with them, and said to him, The Philistines are upon thee, Samson. (And there were liers in wait abiding in the chamber.) And he broke them from off his arms like a thread.
And all the men of Israel rose out of their place, and put themselves in array at Baal-tamar: and the liers in wait of Israel came forth out of their places, even out of the meadows of Gibeah.
So the children of Benjamin saw that they were smitten: for the men of Israel gave place to the Benjaminites, because they trusted to the liers in wait which they had set beside Gibeah.
And the liers in wait hasted, and rushed upon Gibeah; and the liers in wait drew themselves along, and smote all the city with the edge of the sword.
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 to rise from the city.