mixer
noun
[ ˈmɪksə ]
• a machine for mixing things, especially an electrical appliance for mixing foods.
• "a food mixer"
• a person considered in terms of their ability to mix socially with others.
• "media people need to be good mixers"
• a soft drink that can be mixed with alcohol.
• "use low-calorie mixers in your cocktails"
• (in sound recording and cinematography) a device for merging input signals to produce a combined output in the form of sound or pictures.