dump vs lifeline

dump

noun
  • A car or boat for dumping refuse, etc. 

  • An act of defecation; a defecating. 

  • A place where waste or garbage is left; a ground or place for dumping ashes, refuse, etc.; a disposal site. 

  • An act of dumping, or its result. 

  • That which is dumped, especially in a chaotic way; a mess. 

  • An unpleasant, dirty, disreputable, unfashionable, boring, or depressing looking place. 

  • Absence of mind; reverie. 

  • A pile of ore or rock. 

  • A temporary display case that holds many copies of an item being sold. 

  • A deep hole in a river bed; a pool. 

  • A small coin made by punching a hole in a larger coin (called a holey dollar). 

  • A sad, gloomy state of the mind; sadness; melancholy; despondency. 

  • A storage place for supplies, especially military. 

  • A formatted listing of the contents of program storage, especially when produced automatically by a failing program. 

verb
  • To sell below cost or very cheaply; to engage in dumping. 

  • To precipitate (especially snow) heavily. 

  • To put or throw down with more or less of violence; hence, to unload from a cart by tilting it 

  • To release, especially in large quantities and chaotic manner. 

  • To output the contents of storage or a data structure, often in order to diagnose a bug. 

  • Of a surf wave, to crash a swimmer, surfer, etc., heavily downwards. 

  • To end a romantic relationship with. 

  • To copy (data) from a system to another place or system, usually in order to archive it. 

  • To discard; to get rid of something one no longer wants. 

lifeline

noun
  • A means or route for transporting indispensable supplies. 

  • A particular crease in the palm. 

  • A line from the diver to a tender at the surface control point. 

  • A line to which a drowning or falling victim may cling. 

  • System or structure of vital importance to a community. 

  • A source of salvation in a crisis. 

  • On the deck of a boat, a line to which one can attach oneself to stay aboard on rough seas. 

How often have the words dump and lifeline occurred in a corpus of books? (source: Google Ngram Viewer )