house officer

houseman

noun plural -men
  1. med a doctor who is the most junior member of the medical staff of a hospital, usually resident in the hospitalUS and Canadian equivalent: intern
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

house officer in Medicine

house officer

n.
  1. An intern or resident who is employed by a hospital to provide service to patients during the period the intern or resident is receiving training in a medical specialty.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.