A heavy release of blood within or from a body. (noun)
To bleed copiously. (verb)
To lose (something) in copious and detrimental quantities. (verb)
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Use "haemorrhage" in a sentence
"Perhaps because of this, but also because of the devotion his mother showed as a trade union activist before her death from a brain haemorrhage, Larsson demanded very high standards of behaviour of himself and others."
"It was usually a brain haemorrhage that got them in the end."
"It paints a portrait of the Bradford playwright Andrea Dunbar and then charts the tragic fallout from her death? courtesy of an alcohol-induced brain haemorrhage? at the age of 29."