noun
1.
a person in a company or other organization whose job involves practical work in a particular area or region
2.
an officer of high rank in the army (= a major , lieutenant colonel or colonel )
noun
1.
a person in a company or other organization whose job involves practical work in a particular area or region
2.
an officer of high rank in the army (= a major , lieutenant colonel or colonel )
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005