fac·ul·ty / ˈfakəltē/ • n. (pl. -ties) 1. an inherent mental or physical power: critical faculties. ∎ an aptitude or talent for doing something: the author's faculty for philosophical analysis.2. the teaching staff of a university or college, or of one of its departments or divisions, viewed as a body. ∎ a group of university departments concerned with a major division of knowledge: the Faculty of Arts and Sciences.