Wiktionary
n. A machine that plays sounds simultaneously from a microphone and a prerecording.
Usage examples of "karaoke machine".
My students all pile into this tiny box with no windows as the man who runs the restaurant, who is not Japanese but Cantonese, hooks up the karaoke machine.
Jax flew a glittering path to the karaoke machine ahead of his dad, Jenks’.
Copper shadows curling toward the ceiling, stirred by music from the semicircle of matte black speakers surmounting a mammoth karaoke machine.
In three months that all-important look would change, out would go this karaoke machine, in would come a new one.
Others were singing along to a Karaoke machine and videoing each other.
Nancy talked the barman into turning on the karaoke machine, and then watched in fascinated embarrassment as the old man belted his way through “What’s New Pussycat?