Answer: encrusts

AnswerCrossword Clue
ENCRUSTSForms a hard coating on
ENCRUSTSDecorates richly.
encrustsOverlay (something) with an ornamental crust of gems or other precious material
encrustsENCRUST, to cover with a crust, also INCRUST
encrustsCover (something) with a hard surface layer
encrustsForm a crust