intern in
intern in (something)
To confine or imprison someone in something. A noun or pronoun can be used between "intern" and "in." How many people were interned in concentration camps during World War II?
See also: intern
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
intern someone in something
to detain or imprison a person in something. The government interned the enemy prisoners in the camps for a few months. He was interned in a prison camp during the war.
See also: intern
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.