verb

• (intransitive, of a person, animal or body part) To shed blood through an injured blood vessel.
  "If her nose bleeds, try to use ice."
• (transitive) To let or draw blood from.
  ""What did they die of?" I asked. "Fevers. The doctor came and bled them and purged them, but they still died." "He bled and purged babies?" "They were two and three. He said it would break the fever. And it did. But they ... they died anyway.""
• (transitive) To take large amounts of money from.
• (transitive) To steadily lose (something vital).
  "The company was bleeding talent."

noun

• (aviation, usually in the plural) A system for tapping hot, high-pressure air from a gas turbine engine for purposes such as cabin pressurization and airframe anti-icing.
  "When taking off at high altitude or at near-maximum weight, the bleeds have to be turned off temporarily, as they decrease engine power somewhat."
• (printing) A narrow edge around a page layout, to be printed but cut off afterwards (added to allow for slight misalignment, especially with pictures that should run to the edge of the finished sheet).
• (sound recording) The situation where sound is picked up by a microphone from a source other than that which is intended.
• (uncountable, roleplaying games) The phenomenon of in-character feelings affecting a player's feelings or actions outside of the game.