Definition of lues in US English:

lues

(also lues venerea)

noun

dated
  • A serious infectious disease, particularly syphilis.

    • ‘Congenital lues up to the time of puberty may simulate acute articular rheumatism.’
    • ‘On the other hand, I readily admit the influence of a milder form of lues venerea.’
    • ‘The lues venerea can only be said to be incurable when the disease is got to that deplorable point by neglect, that the emaciated and hectic state of the patient's constitution forbids the use of mercury.’
    plague, bubonic plague, the black death
    View synonyms

Origin

Mid 17th century: from Latin, literally ‘plague’.

Pronunciation

lues

/ˈluˌiz//ˈlo͞oˌēz/