laser
Definition
A device that generates an intense, narrow beam of coherent light through the process of stimulated emission of radiation (acronym for Light Amplification by Stimulated Emission of Radiation).
The highly focused beam of light produced by such a device.
(verb) To treat, cut, or engrave something using a laser beam.
Examples
The cat chased the laser dot across the floor for hours, convinced it was the elusive prey of its dreams.
He tried to impress her at karaoke by belting out a tune with laser-like focus, but hit more wrong notes than a drunk DJ.
The barber lasered a perfect fade on his head, turning him from scruffy side character to leading man material.
In the boardroom, her laser-sharp presentation sliced through the excuses like butter on a hot knife.