The Collaborative International Dictionary of English v.0.48:

Pott's disease \Pott's" dis*ease"\ (Med.)
   Caries of the vertebr[ae], frequently resulting in curvature
   of the spine and paralysis of the lower extremities; -- so
   named from Percival Pott, an English surgeon.
   [1913 Webster]

   Pott's fracture, a fracture of the lower end of the fibula,
      with displacement of the tibia. --Dunglison.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rachialgia \Ra`chi*al"gi*a\ (r[=a]`k[i^]*[a^]l"j[i^]*[.a]), n.
   [NL., fr. Gr. "ra`chis backbone + 'a`lgos pain.] (Med.)
   A painful affection of the spine; especially, Pott's
   disease; also, formerly, lead colic.
   [1913 Webster]