bleeder

UK: /ˈbliːdə/ US: /ˈblidɚ/ ,(blē′dər)

WordReference Random House Learner's Dictionary of American English © 2025

bleed•er /ˈblidɚ/   n. [countable]

1. Pathology a person whose bleeding does not stop normally, such as a hemophiliac.
2. British Terms Brit. Slang. chap;
   fellow.

WordReference Random House Unabridged Dictionary of American English © 2025

bleed•er  (blē′dər), n. 

1. Pathology a person who bleeds abnormally because of low clotting rate;
   hemophiliac.
2. a person or animal that bleeds easily, esp. an athlete or racehorse.
3. Medicine a person who draws blood from a sick person;
   phlebotomist.
4. Slang Terms a person who drains another of money, resources, etc.;
   parasite or usurer.
5. Metallurgy an ingot or casting from which some metal has escaped.
6. Electricity Also called bleed′er resis′tor. a resistor that is connected across a power supply for voltage regulation and to dissipate the charge remaining in capacitors when the power is discontinued.
7. Hydraulics Also called bleed′er valve′. a valve or opening for draining a tank, tubing, etc.
8. British Terms
   • a despicable person.
   • a person, esp. a man;
     fellow.

• bleed + -er¹ 1780–90

Collins Concise English Dictionary © HarperCollins Publishers::

bleeder / ˈbliːdə/ noun

1. a despicable person
2. any person; fellow
3. a nontechnical name for a haemophiliac