Learner's definition of MIXER
1 : a machine used for mixing things
a handheld mixer
Using an electric mixer, blend the cake batter on medium (speed) for two minutes.
a cement mixer [=a large machine that keeps cement wet and soft by turning until the cement is used]
2 : a drink (such as soda) that does not contain alcohol and that is used in an alcoholic mixed drink 3 : someone who controls the recording of sounds (such as the words and music) that go with a movie or television show 4
◊ A good mixer is someone who is comfortable in social situations and can talk easily with other people. A poor mixer is uncomfortable or awkward in social situations.
5 chiefly US : a social gathering to help people in a group meet each other in a friendly and informal way