Ma'anar ƙamus na "orange zest" yana nufin ɓangaren waje mai launin ruwan lemu, wanda ya ƙunshi man citrus kuma yana da ɗanɗano mai ƙarfi. An fi amfani da shi azaman wakili na ɗanɗano a dafa abinci da yin burodi, musamman a cikin girke-girke na desserts, cocktails, da jita-jita masu daɗi. Za a iya samun zest ta hanyar yayyafa saman lemu ta waje ta amfani da zester, grater, ko wuka mai yanka.