IPA: /dɪˈfæt/
KK: /dɪˈfæt/
To remove fat from something, especially in cooking or food preparation.
The chef had to defat the chicken stock before using it in the soup.
Past: defatted
Past Participle: defatted
Defat is formed from "de-" (meaning down or away) and "fat" (from Old French *fat*, meaning fat or fatty). The word refers to the process of reducing or removing fat from something.
Think of 'removing' ('de-') 'fat' — that's why defat means to take fat away.