bleeder

Etymology

bleed +‎ -er

Noun

bleeder (plural bleeders)

1. A person who is easily made to bleed, or who bleeds in unusually large amounts, particularly a hemophiliac.
2. (surgery) A blood vessel that requires cauterization etc. to stop it from bleeding during surgery.
   • 2013, Theresa Welch Fossum, Small Animal Surgery Textbook

     Ligate or cauterize small subcutaneous bleeders and identify the linea alba.

3. Anything that saps a resource produced by something else.
4. A valve designed to release a small amount of excess pressure from a system.
5. (Britain, slang, derogatory) A troublesome fellow; a blighter.
   • 1950, Mervyn Peake, Gormenghast, London: Eyre & Spottiswoode, Chapter 36,

     ‘Well, what did the old bleeder say?’ said Opus Fluke.

6. A person who play a lot to a video game.

Anagrams

• rebleed