CDR
Meaning of CDR in English
Note: in AM, also use 'CDR'
Cdr is the written abbreviation for Commander when it is used as a title.
...Cdr A.C. Moore.
N-TITLE
Collins COBUILD Advanced Learner's English Dictionary.
Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне.
2006