Definition of jagger in English:

jagger

Pronunciation /ˈjaɡər/ /ˈdʒæɡər/

noun

See jag

‘Known as a "jagger" to English bakers, this classic tool is traditionally used to cut doughs for filled pastries and latticework pie tops.’
  • ‘A jagger or jagging wheel is a pastry wheel (a wheel mounted on a wooden handle) with a fluted cutting edge used to crimp and cut pastry with a decorative design (like ravioli).’

Pronunciation

jagger

/ˈjaɡər/ /ˈdʒæɡər/