1 a permit from an authority to own or use something (esp. a dog, gun, television set, or vehicle), do something (esp. marry, print something, preach, or drive on a public road), or carry on a trade (esp. in alcoholic liquor).
2 leave, permission (have I your licence to remove the fence?).
3 a liberty of action, esp. when excessive; disregard of law or propriety, abuse of freedom. b licentiousness.
4 a writer's or artist's irregularity in grammar, metre, perspective, etc., or deviation from fact, esp. for effect (poetic licence).
5 a university certificate of competence in a faculty.
Phrases and idioms:
license plate US the number plate of a licensed vehicle.
Etymology: ME f. OF f. L licentia f. licere be lawful: -se by confusion with LICENSE
Useful english dictionary. 2012.