adjective: (economics) Of or pertaining to American economist Robert Lucas Jr..
adjective: (mathematics) Of or pertaining to Henry Lucas (c. 1610–1663), Member of Parliament for Cambridge University and founder of the Lucasian Chair of Mathematics.
adjective: (rare) Of or pertaining to the American filmmaker George Lucas, known for his blockbuster space opera films.
noun: (economics) A follower of the theories of American economist Robert Lucas Jr..