What does the word pump mean?

Usage examples for pump

  1. But a heart as fine as his isn't going to pump fool blood into any man's brain- eh? – Andrew the Glad by Maria Thompson Daviess
  2. Before steam is applied it will be well to experiment until the engine runs with the air- pump. – Boys' Book of Model Boats by Raymond Francis Yates
  3. You can't pump that into me, Blink. – Every Soul Hath Its Song by Fannie Hurst