Glue n.  A hard brittle brownish gelatin, obtained by boiling to a jelly the skins, hoofs, etc., of animals. When gently heated with water, it becomes viscid and tenaceous, and is used as a cement for uniting substances. The name is also given to other adhesive or viscous substances.
 Bee glue. See under Bee.
 Fish glue, a strong kind of glue obtained from fish skins and bladders; isinglass.
 Glue plant Bot., a fucoid seaweed (Gloiopeltis tenax).
 Liquid glue, a fluid preparation of glue and acetic acid or alcohol.
 Marine glue, a solution of caoutchouc in naphtha, with shellac, used in shipbuilding.