A beam of energy meant to cut through and obliterate objects, or, at weaker levels, a harmless light meant to assist shooters in targeting. Some lasers may be deflected off of reflective objects. The word is an acronym of "light amplification by stimulated emission of radiation".

h4. See also

* [[light]]
* [[laser sight]]
* [[laser pointer]]
* [[energy beam]]
レーザー レーザービーム