Definition of bloody flux in English:

bloody flux

noun

historical, archaic, rare
  • Bloody diarrhoea; disease causing such diarrhoea, specifically dysentery of infectious origin; an instance of this; now historical or archaic. Also (now rare): (an instance of) bleeding from another part of the body, specifically menstrual bleeding, especially when excessive or prolonged.

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From bloody + flux.

Pronunciation

bloody flux

/ˌblʌdɪ ˈflʌks/