1. a device that produces a narrow, intense beam of light

1. to treat or cut with a laser beam
Usage: medical; technical
2. to focus intensely on something
Usage: informal

Examples

• The surgeon used a laser to remove the tumor.
• Laser light shows are popular at concerts.
• The barcode scanner uses a laser to read prices.
• She had laser eye surgery to correct her vision.
• The factory uses lasers to cut metal precisely.
• He lasered in on the main problem during the meeting.
• The laser pointer helped highlight key points on the slide.