exclusive responsibility; special duty; being solely in charge
Less common literal noun use: being assigned exclusively to a particular duty or taking sole charge of it. In modern everyday use, 専務 is much more often understood as a company executive title.
In older usage, senmu refers to taking on a particular duty single-handedly.
senior managing director; executive director
Corporate title, commonly used as an abbreviation of 専務取締役. It can refer to the person holding the post and is also used after a name as a title.
See also: 専務取締役
The senior managing director explained the new business plan.
Mr. Tanaka will take office as senior managing director next month.
He is scheduled to become senior managing director next month.
My father serves as senior managing director at that company.