Someone who bleeds excessively, especially a person with a bleeding disorder like hemophilia; also something that leaks or releases liquid.
From 'bleed' (Old English 'bledan'), with the agent suffix '-er' (one who bleeds); the root is Germanic, possibly imitating the sound of blood flow.
Hemophiliacs (bleeders) were historically called 'the disease of kings' because royal families married each other to maintain power, spreading the recessive gene—Queen Victoria unknowingly carried it and passed it through Europe's royalty.
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