2. Verb. (intransitive) To operate as a laser, to release coherent light due to stimulation. ¹
¹ Source: wiktionary.com
Definition of Lase
1. to function as a laser [v LASED, LASING, LASES]
Medical Definition of Lase
1. To cut, divide, or dissolve a substance, or to treat an anatomical structure, with a laser beam. (05 Mar 2000)