"Pointer" for giving presentations (5)

I believe the answer is:

laser

(Other definitions for laser that I've seen before include "Device producing an intense light beam - kind of sailing dinghy" , "Scientific apparatus" , "Coherent light source" , "Device for concentrating light" , "Powerful light source" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.