Definition of: classical

(klas′i·kəl) adjective
1. Of, pertaining to, or characteristic of ancient Greek and Roman art and literature.
2. Learned in, or based on Greek and Latin: a classical education.
3. Formal; finished; polished; modeled after Greek and Roman forms; often opposed to romantic.
4. Being of or modeled after the best in art, music, or literature.
5. Music a Following strict and established form, as a fugue or sonata, b Composed by the great masters.
6. Physics Pertaining to or describing those physical theories based upon or derived from Newtonian mechanics, especially as distinguished from relativity theory and quantum mechanics.
—clas′si·cal·ly adverb