Definition of "meanwhile"

meanwhile

/ˈmiːnwaɪl/

noun
plural meanwhiles
1. The time between two events.
  Quotations
  In the meanwhile, the surveyors carried the line three miles, which was no contemptible day's work, considering how cruelly they were entangled with briers and gallbushes.
  Quoted in 2002, Stephen C. Ausband, Byrd's Line: A Natural History (page 37)
adverb
not comparable
1. During the time that something is happening, often specifically in a different place.
  Quotations
  Meanwhile Nanny Broome was recovering from her initial panic and seemed anxious to make up for any kudos she might have lost, by exerting her personality to the utmost. She took the policeman's helmet and placed it on a chair, and unfolded his tunic to shake it and fold it up again for him.
  1963, Margery Allingham, chapter 19, in The China Governess‎
2. During an intervening time; from now until a future time.
  Quotations
  The day may dawn when fair play, love for one's fellow men, respect for justice and freedom, will enable tormented generations to march forth triumphant from the hideous epoch in which we have to dwell. Meanwhile, never flinch, never weary, never despair.
  1955 March 1, Winston Churchill, “Defence”, in parliamentary debates (House of Commons), column 1905
  “ […] I’m not ignoring you, I’m very sorry, I’ll talk to you soon. Meanwhile, get your tickets.”
  2004, David Osterczy, Interknot: Adventures in Internet Dating, page 134
3. In contrast to aspects previously mentioned.
  Quotations
  When you are in the studio you don’t have anybody to feed off of, meanwhile when you are playing live you interact with people and you feel the energy in the room.
  2013 March 29, Markos Papadatos, quoting Marina Diamandis, “Marina And The Diamonds on 'How to be a Heartbreaker'”, in Greek Reporter‎