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Webster 1828 Edition

Noun.

A prisoner; one who has been confined in prison.

See also: jail-bird

jailbird ‎(plural jailbirds)

prisoner or ex-prisoner

Russian: заключённый (ru) m ‎(zaključónnyj), заключённая (ru) m ‎(zaključónnaja), ареста́нт (ru) m ‎(arestánt), ареста́нтка (ru) f ‎(arestántka), рецидиви́ст (ru) m ‎(recidivíst) (repeater, old offender), у́рка (ru) m, f ‎(úrka) (criminal slang; opposed to political prisoner)