A hard gelatin made by boiling bones and hides, used in solution as an adhesive; or any sticky adhesive substance.
Anything that binds two things or people together.
To join or attach something using glue.
To cause something to adhere closely to; to follow attentively.
A hemihydrate of calcium sulfate, made by calcining gypsum, that hardens when moistened and allowed to dry; used to make casts, molds and sculpture.