laser beam

noun2

1. •
   The light emitted by a laser.

   • Depending on whether the laser beam is defocused or focused, the CO₂ laser can perform two distinct therapeuteic functions. — 1994
2. •
   A low, hard-hit or -thrown ball.

   • Ramirez hit a laser beam home run into the right center field seats leading the 10th inning off Boston closer Ken Ryan — 1995