Faculties pl. : of Faculty

Example:
what is the difference between colleges and Faculties under a university?

Taxonomy
North American, universities, professors, Faculty of Arts, institutions, American usage, higher faculties, free encyclopedia, academic staff, the Faculty, subject area, nine months, instructors, employees, colleges, college of arts and sciences, law school, medieval universities.

Defination from the web:
faculty is a division within a university comprising one subject area, or a number of related subject areas (for the ... The privilege to establish these four faculties was usually part of all medieval charters for universities, but not every university could in reality do so. ...