incrust incrust /ˌɪnˈkrʌst/

verb

1. Form a crust or a hard layer  ( encrust , incrust )
   form a crust or a hard layer
   
2. Cover or coat with a crust  ( incrust , encrust )
   cover or coat with a crust
   
3. Decorate or cover lavishly (as with gems)  ( beset , encrust , incrust )
   decorate or cover lavishly (as with gems)