world language 
noun
1A language known or spoken in many countries.Not to be outdone, the French, ever concerned about the inevitable decline of their language as a world language, have decided to emulate the Anglo-Saxons by beginning to put online the whole content of the Bibliothèque Nationale....
- In the past decade there's been no let-up in the way that English has continued to grow as a world language.
- Then in her last few paragraphs she gets to what one might reasonably think is the point, the establishment of English as a world language.
1.1An artificial language for international use: there have been attempts to introduce a standard world language...
- The President reckoned that although English was doing quite well as a world language, they wanted Esperanto to become the next world language.
- I think Esperanto should be the world language!
- Lord Chamberlain
- Lord Chamberlain of the Household
- Lord Chancellor
- Lord Chief Justice
- Lord Chief Justiceship
- Lord Commissioner
- Lord (God) of hosts
- Lord Great Chamberlain of England
- Lord High Admiral
- Lord High Chancellor
- Lord High Commissioner
- Lord High Treasurer
- Lord Howe Island
- Lord Justice
- Lord Justice Clerk
- Lord Justice Clerkship
- Lord Justice General
- Lord Justice of Appeal
- Lord Kelvin's law
- lordless
- Lord Lieutenant
- lord-like
- lordliness
- lordling
- lordly