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Definition of: hemorrhoid
(hem′ə·roid) noun
Often plural A swollen mass of varicose veins in the rectal mucous membrane: also called (in the plural) piles. Also spelled haemorrhoid. [<F <L <Gk. haimorrhoides (phlebes) bleeding (veins) <haima blood + rheein flow]
—hem·or·rhoi·dal (hem′ə·roid′l) adjective
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