college [L, collegium, society] , 1. an institution of higher learning. 2. an organization of individuals with common professional training and interests, as the American College of Nurse-Midwives, the American College of Cardiology, or the American College of Surgeons. 3. in Canada, referring to regulatory bodies overseeing professions such as the College of Registered Nurses of British Columbia, the College of Registered Psychiatric Nurses of British Columbia, and the College of Licensed Practical Nurses of British Columbia.