Boyd’s Bible Dictionary:
(glue). Was known and used for plaster and cement work (Deut. 27:2; Isa. 33:12; Amos 2:1).
Concise Bible Dictionary:
The use of this material was evidently understood by the Israelites. Isaiah 33:12 speaks of the “burnings of lime”; and in Amos 2:1 judgment is pronounced upon Moab because of having “burned the bones of the king of Edom into lime.”