The Collaborative International Dictionary
Bloody sweat
Bloody sweat \Blood"y sweat`\ A sweat accompanied by a discharge of blood; a disease, called sweating sickness, formerly prevalent in England and other countries.
Wiktionary
bloody sweat
n. sweating sickness
Usage examples of "bloody sweat".
His features were distorted into a bestial grin of agony from which dripped bloody sweat, and his limbs were twisted as in a rack.
From one of them, bloody sweat dribbled from his armpits and groin, thin crimson lines that wrote ugly patterns on his skin.
The first sign was bloody sweat, often followed by black swellings in the armpits and groin.