What does the word while mean?

Usage examples for while

  1. And was so all the while your father spoke. – The Comedies of Terence by Publius Terentius Afer
  2. " Now- while you can- and I can let you. – Dead Men Tell No Tales by E. W. Hornung
  3. Would you like to lie down a little while? – The Project Gutenberg Memoirs of Napoleon Bonaparte by Bourrienne, Constant, and Stewarton