I. adjective
or in·terne in-ˈtərn, ˈin-ˌ
Etymology: Middle French interne, from Latin internus
Date: circa 1500
archaic : internal
II. ˈin-ˌtərn, in-ˈ transitive verb
Date: 1866
: to confine or impound especially during a war
intern enemy aliens
• in·tern·ee (ˌ)in-ˌtər-ˈnē noun
• in·tern·ment in-ˈtərn-mənt, ˈin-ˌ noun
III. noun
also in·terne ˈin-ˌtərn
Etymology: French interne, from interne, adjective
Date: circa 1879
: an advanced student or graduate usually in a professional field (as medicine or teaching) gaining supervised practical experience (as in a hospital or classroom)
• in·tern·ship -ˌship noun
IV. ˈin-ˌtərn intransitive verb
Date: circa 1928
: to work as an intern