Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
confined [kənˈfaɪnd] adj закры́тый
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
confine [kənˈfaɪn]
vt (lock up) запира́ть (запере́ть*perf)
(limit) to confine (to) ограни́чивать (ограни́чить perf) (+instr)
to confine o.s. to sth ограни́чиваться (ограни́читься perf) чем-н
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.