back up


Meanings

  • an accumulation caused by clogging or a stoppage;
  • someone who takes the place of another (as when things get dangerous or difficult);
  • a musical part (vocal or instrumental) that supports or provides background for other musical parts
  • (computer science) a copy of a file or directory on a separate storage device;
  • the act of providing approval and support;
  • give moral or psychological support, aid, or courage to;
  • move backwards from a certain position;
  • establish as valid or genuine;
    • "Can you back up your claims?"
  • make a copy of (a computer file) especially for storage in another place as a security copy;
    • "You'd better back up these files!"
  • become or cause to become obstructed;