n.1 a device for mixing foods etc. or for processing other materials.
2 a person who manages socially in a specified way (a good mixer).
3 a (usu. soft) drink to be mixed with another.
4 Broadcasting & Cinematog. a a device for merging input signals to produce a combined output in the form of sound or pictures. b a person who operates this.
Phrases and idioms:
mixer tap a tap through which mixed hot and cold water is drawn by means of separate controls.