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in·ternalso in·terne (ĭn′tûrn′)
a. A student or a recent graduate undergoing supervised practical training.
b. A physician who has recently graduated from medical school and is learning medical practice in a hospital under supervision, prior to beginning a residency program.
2. One who is interned; an internee.
v. in·terned, in·tern·ing, in·terns
To train or serve as an intern.
v.tr. (also ĭn-tûrn′)
To confine, especially in wartime.
[French interne, from Latin internus, internal; see internal.]