Read the dictionary definition of bleed. All definitions for this word.
1. lose blood from one's body
2. draw blood
1. In the old days, doctors routinely bled patients as part of the treatment
3. drain of liquid or steam
1. bleed the radiators
2. the mechanic bled the engine
4. be diffused
1. These dyes and colors are guaranteed not to run
5. get or extort (money or other possessions) from someone
1. They bled me dry--I have nothing left!