(Light Amplification by Stimulated Emission of Radiation) The type of light source used in a laser printer.
Medical Dictionary
Definition:
A powerful beam of light used in some types of surgery.
Dream Dictionary
Definition:
Seeing a laser in your dream, symbolizes clarity and truth. You are seeing and understanding things much more clearly. Alternatively, it suggests that you need to focus your attention and concentrate on one task at a time.
WordNet Dictionary