Definition of old ral in English:

old ral

Pronunciation /ˌəʊl(d) ˈral/

noun

(also old rale)
slang, historical US
  • Syphilis. Usually with the.

Origin

Late 19th century. From old + -ral-, with neu- humorously taken as new and replaced by old; compare quots. 1878 at main sense 1899 at main sense.