Definition of "laser" in English

noun

1. A device that produces a monochromatic, coherent beam of light.

2. A beam of light produced by such a device; a laser beam.

3. A laser printer.

4. (uncountable, medicine) Ellipsis of laser hair removal.

   • I've still got a few more sessions of laser to get rid of the rest of my facial hair.

verb

1. (transitive) To cut, destroy or treat with a laser.

   • I'm having my eyes lasered to correct my astigmatism.

2. (sports, informal, transitive) To throw or kick with laser-like precision.

noun

1. A gum resin obtained from certain umbelliferous plants.

2. Such a plant.