Definition of zaffer in English:

zaffer

noun

(also zaffre)
  • Impure cobalt oxide, formerly used to make smalt and blue enamels.

    ‘In Europe, zaffre was used as early as the 14th century as a pigment for paints, glazes and glass.’
    • ‘In Western literature the word zaffer was used to denote this pigment.’

Pronunciation

zaffer

/ˈzafər/ /ˈzæfər/

Origin

Mid 17th century from Italian zaffera or French safre.