a person who guards prisoners in a prisoncompareguardWordfinderprisoncell,death row,discharge,justice,parole,prison,probation,remission,sentence,warderOxford Collocations DictionaryWarder is used after these nouns: prisonSeefull entrySee related entries:PrisonWord Originlate Middle English (denoting a watchman or sentinel): from Anglo-Norman French wardere, from Old Northern French warder ‘to guard’. The current sense dates from the mid 19th cent.