Syphilis

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 446

sif'I-lis, n. (JJecl.) A dangerous contagious and hereditary venereal disease. — Syphilitic, Of, pert, to, or infected with syphilis. Syphon. Same as Siphox. Syren. Same as Sirex.