5. opening the first part or initial stage of anything.
6. opening an employment vacancy.
7. opening an opportunity; chance.
8. opening the formal or official beginning of an activity, event, presentation, etc.
9. opening a celebration marking this.
10. opening the statement of the case made by legal counsel to the court or jury before presenting evidence.
11. opening a mode of beginning a game.
Etymology: (1125–75)
Definition of 'opening'
Princeton's WordNet
1. (noun)opening, gap 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"
2. (noun)opening a ceremony accompanying the start of some enterprise
3. (noun)opening becoming open or being made open "the opening of his arms was the sign I was waiting for"
4. (noun)opening, opening night, curtain raising the first performance (as of a theatrical production) "the opening received good critical reviews"
5. (noun)opening the act of opening something "the ray of light revealed his cautious opening of the door"
6. (noun)opening opportunity especially for employment or promotion "there is an opening in the sales department"
7. (noun)opening the initial part of the introduction "the opening established the basic theme"
8. (noun)possibility, possible action, opening a possible alternative "bankruptcy is always a possibility"
9. (noun)orifice, opening, porta an aperture or hole that opens into a bodily cavity "the orifice into the aorta from the lower left chamber of the heart"
10. (noun)opening a vacant or unobstructed space that is man-made "they left a small opening for the cat at the bottom of the door"
11. (noun)hatchway, opening, scuttle an entrance equipped with a hatch; especially a passageway between decks of a ship
12. (noun)opening, chess opening a recognized sequence of moves at the beginning of a game of chess "he memorized all the important chess openings"
13. (adj)first step, initiative, opening move, opening the first of a series of actions
14. (adj)opening first or beginning "the memorable opening bars of Beethoven's Fifth"; "the play's opening scene"
Definitions of opening 
Afrikaans: opening, gat
Arabic: فَتْحَه، ثَغْرَه، ثَقْب
Bulgarian: отвор
Brazilian: abertura
Czech: otvor, paseka, mezera
German: dieÖffnung
Danish: åbning
Greek: άνοιγμα, τρύπα
Spanish: abertura, brecha
Estonian: auk
Farsi: روزنه؛ شکاف
Finnish: aukko
French: ouverture; brèche, clairi
Hebrew: פֶּתַח
Hindi: खुली जगह, छिद्र
Croatian: otvor
Hungarian: nyílás
Indonesian: tempat terbuka
Icelandic: op, gat; rjóður
Italian: apertura, passaggio
Japanese: 穴
Korean: 구멍
Lithuanian: anga, landa, proskyna
Latvian: caurums; sprauga; izcirtu
Malay: lubang
Dutch: opening
Norwegian: åpning, hull, sprekk
Polish: otwór
Persian: روزنه؛ شکاف
Pashto: غار، سورى
Portuguese: abertura
Romanian: deschidere; gaură; lumini
Russian: отверстие;просвет
Slovak: otvor; rúbanisko
Slovenian: odprtina; jasa
Serbian: otvor
Swedish: öppning
Thai: รอยโหว่
Turkish: açıklık, delik, yarık
Taiwanese: 洞，缺口
Ukrainian: отвір, щілина
Urdu: سوراخ
Vietnamese: lỗ hổng
Chinese: 洞，缺口
