1. substance from plants: a semisolid substance secreted in the sap of some plants and trees. It is used in varnishes, paints, adhesives, inks, and medicines.
2. synthetic resembling resin: a synthetic polymeric compound physically resembling natural resin, e.g. polyvinyl, polystyrene, or epoxy. Use: manufacture of petrochemicals and plastics.
transitive verb (past and past participleres·ined, present participleres·in·ing, 3rd person present singularres·ins)
Definition:
treat something with resin: to coat or rub something with resin
[14th century. Via Old French resine and Latin resina< Greek rhētinē]