REDAN Meaning of REDAN in English [ rɪ'dan ]■ noun an arrow-shaped embankment as part of a fortification.OriginC17: from Fr., from redent 'notching (of a saw)', from re- 'again' (expressing repetition) + dent 'tooth'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004