foliation in WordNet English dictionary

1. (architecture) leaf-like architectural ornament
   foliation  foliage 
   
2. the production of foil by cutting or beating metal into thin leaves
   foliation 
   
3. the work of coating glass with metal foil
   foliation 
   
4. (geology) the arrangement of leaflike layers in a rock
   foliation 
   
5. (botany) the process of forming leaves
   foliation  leafing