Reference: Mortar (2)
Smith
Mortar.
Ge 11:3; Ex 1:14; Le 14:42,45; Isa 41:25; Eze 13:10-11,14-15; 22:28; Ne 3:14
The various compacting substances used in Oriental buildings appear to be --
1. Bitumen, as in the Babylonian structures;
2. Common mud or moistened clay;
3. A very firm cement compounded of sand, ashes and lime, in the proportions respectively of 1,2,3, well pounded, sometimes mixed and sometimes coated with oil, so as to form a surface almost impenetrable to wet or the weather. In Assyrian and also Egyptian brick buildings, stubble or straw, as hair or wool among ourselves, was added to increase the tenacity.
See Verses Found in Dictionary
They said one to another, "Come, let's make bricks, and burn them thoroughly." They had brick for stone, and they used tar for mortar.
and they made their lives bitter with hard service, in mortar and in brick, and in all kinds of service in the field, all their service, in which they ruthlessly made them serve.
They shall take other stones, and put them in the place of those stones; and he shall take other mortar, and shall plaster the house.
He shall break down the house, its stones, and its timber, and all the house's mortar. He shall carry them out of the city into an unclean place.
The dung gate repaired Malchijah the son of Rechab, the ruler of the district of Beth Haccherem; he built it, and set up its doors, its bolts, and its bars.
"I have raised up one from the north, and he has come; from the rising of the sun, one who calls on my name; and he shall come on rulers as on mortar, and as the potter treads clay.
Because, even because they have seduced my people, saying, Peace; and there is no peace; and when one builds up a wall, behold, they plaster it with whitewash: tell those who plaster it with whitewash, that it shall fall: there shall be an overflowing shower; and you, great hailstones, shall fall; and a stormy wind shall tear it.
So will I break down the wall that you have plastered with whitewash, and bring it down to the ground, so that its foundation shall be uncovered; and it shall fall, and you shall be consumed in its midst: and you shall know that I am Yahweh. Thus will I accomplish my wrath on the wall, and on those who have plastered it with whitewash; and I will tell you, The wall is no more, neither those who plastered it;
Her prophets have plastered for them with whitewash, seeing false visions, and divining lies to them, saying, Thus says the Lord Yahweh, when Yahweh has not spoken.