Definitions for opening

(an open or empty space in or between things; "there was a small opening between the trees"; "the explosion made a gap in the wall")

(a ceremony accompanying the start of some enterprise)

(becoming open or being made open; "the opening of his arms was the sign I was waiting for")

(the first performance (as of a theatrical production); "the opening received good critical reviews")

(the act of opening something; "the ray of light revealed his cautious opening of the door")

(opportunity especially for employment or promotion; "there is an opening in the sales department")

(the initial part of the introduction; "the opening established the basic theme")

(a possible alternative; "bankruptcy is always a possibility")

(an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart")

(a vacant or unobstructed space that is man-made; "they left a small opening for the cat at the bottom of the door")

(an entrance equipped with a hatch; especially a passageway between decks of a ship)

(a recognized sequence of moves at the beginning of a game of chess; "he memorized all the important chess openings")

(the first of a series of actions)

(cause to open or to become open; "Mary opened the car door")

(start to operate or function or cause to start operating or functioning; "open a business")

(become open; "The door opened")

(begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech")

(spread out or open from a closed or folded state; "open the map"; "spread your arms")

(make available; "This opens up new possibilities")

(become available; "an opportunity opened up")

(have an opening or passage or outlet; "The bedrooms open into the hall")

(make the opening move; "Kasparov opened with a standard opening")

(afford access to; "the door opens to the patio"; "The French doors give onto a terrace")

(display the contents of a file or start an application as on a computer)

(first or beginning; "the memorable opening bars of Beethoven's Fifth"; "the play's opening scene")