Mixer

Noun

1. One who, or a device that, mixes or merges things together.
2. One who mixes or socializes.
3. A machine outfitted with (typically blunt) blades with which it mixes or beats ingredients in a bowl below.
4. A nonalcoholic drink (such as lemonade, Coca-Cola or fruit juice) that is added to spirits to make cocktails.

   "Do we have any mixers? I don't want to drink this vodka neat."

5. A mixing console.