(of a business, organization, or institution) cease to be in operation or accessible to the public, either permanently or at the end of a working day or other period of time.

the country has been closed to outsiders for almost 50 years

bring or come to an end.

the members were thanked for attending, and the meeting was closed

gradually get nearer to someone or something.

they plotted a large group of aircraft about 130 miles away and closing fast

move or cause to move so as to cover an opening.

she jumped into the train just as the doors were closing

the end of an event or of a period of time or activity.

the afternoon drew to a close