duch ‧ ess /ˈdʌtʃəs, ˈdʌtʃɪs/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: duchesse , from duc ; ⇨ ↑ duke ]
a woman with the highest social rank outside the royal family, or the wife of a ↑ duke :
the Duchess of York
duch ‧ ess /ˈdʌtʃəs, ˈdʌtʃɪs/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: duchesse , from duc ; ⇨ ↑ duke ]
a woman with the highest social rank outside the royal family, or the wife of a ↑ duke :
the Duchess of York
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012