1. A device that converts incident electromagnetic radiation of mixed frequencies to discrete frequencies of highly amplified and coherent ultraviolet, visible, or infrared radiation.
2. The only thing that trumps
shotgun when riding in a car. It is the driver's final call, but otherwise if you yell laser, you ride in the passenger seat. Does not work if nobody has called
shotgun yet. If you yell
shotgun, you can't yell laser too.