What does the word key mean?

Usage examples for key

  1. For to- day she shall keep the key, and when I return to- night it will be time enough to take it from her. – The Grey Fairy Book by Andrew Lang
  2. That's my store- room up there, and the key is lost, and I must get in, or you will have nothing to eat. – More About Peggy by Mrs G. de Horne Vaizey
  3. " When I have got what I want," he thought, " I can throw away the key- and there will be an end of it." – Jezebel's Daughter by Wilkie Collins