1. A traditional or established area of study, work, or activity that has been recognized and valued over time
Medicine is a classic field that has been practiced for centuries.
Medicina é um campo clássico que tem sido praticado há séculos.
2. In sports or games, a conventional playing area or domain with established rules and practices
Football remains a classic field of athletic competition.
Futebol continua sendo um campo clássico de competição atlética.