Webster's English Dictionary

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resin

1. res.in \'rez-*n\ \'rez-*n-*s, 'rez-n*s\ n [ME, fr. MF resine, fr. L 
   resina, fr. Gk rhe-tine- pine] resin 1a: any of various solid or semisolid 
   amorphous fusible flammable natural o rganic substances that are usu. 
   transparent or translucent and yellowish to brown, are formed esp. in plant 
   secretions, are soluble in ether and other organic solvents but not in 
   water, are electrical nonconductors, and are used chiefly in varnishes, 
   printing inks, plastics, and sizes, and in medicine 1b: ROSIN  2a: any of a 
   large class of synthetic products that have some of the physic al 
   properties of natural resins but are different chemically and are used 
   chiefly as plastics 2b: any of various products made from a natural resin 
   or a natural polymer  - res.in.ous aj
2. resin \'rez-*n-in, 'rez-nin\ vt or res.in.ing : to treat with resin