an advanced student or graduate in medicine gaining supervised practical experience (`houseman' is a British term)
source: WordNet 3.0
verb
deprive of freedom
During WW II, Japanese were interned in camps in the West.
source: WordNet 3.0
work as an intern
The young doctor is interning at the Medical Center this year.
source: WordNet 3.0
To put for safe keeping in the interior of a place or country; to confine to one locality; as, to intern troops which have fled for refuge to a neutral country.
