- a hard, brittle gelatin made by boiling animal skins, bones, hoofs, etc. to a jelly: when heated in water, it forms a sticky, viscous liquid used to stick things together
- any of various similar adhesive preparations made from casein, resin, etc.
Origin of glueMiddle English gleu from Old French glu, birdlime from Late Latin glus (gen. glutis), glue: see clay
transitive verbglued, glu′ing
- to make stick with or as with glue
- to make fixed or focused: usually in the pp.: with to: glued to the TV all morning