What is "house officer"

House officer (previously often called a houseman) may refer to:

• Foundation house officer, a doctor in the first two years after qualification in a United Kingdom hospital, undergoing the postgraduate Foundation Programme
• Pre-registration house officer, a United Kingdom hospital doctor in the first year after qualification, phased out in 2005
• A physician (one who holds the degree of M.D., D.O., MBBS, MBChB, or BMed) undergoing residency training.
• Senior house officer, a hospital doctor in Ireland during the second and third years after qualification; formerly used in the United Kingdom but phased out in 2005