Definition of frother in English:

frother

noun

  • 1An instrument or substance which causes a liquid to form a froth.

  • 2Figurative and hyperbolical (usually depreciative). An excitable person, especially one readily provoked to outrage in defence of a principle or ideology.

Origin

Mid 19th century; earliest use found in Walter Thornbury (1828–1876), author. From froth + -er.

Pronunciation

frother

/ˈfrɒθə/