Definition from macmillandictionary.com
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Lots of stars were invited to the Gallery’s grand opening.
the opening of a new section of ring-road
Alison squeezed through a narrow opening in the hedge.
The doctors had to make an opening in her windpipe.
His comments created an opening for efforts to resolve the crisis.
We have several openings in the sales division.
He appears briefly at the opening of the film.
Staff at the supermarket campaigned against Sunday opening.
The opening of the new store will lead to an increase in traffic.