embrocation

from WordNet (r) 3.0 (2006)

embrocation
    n 1: a medicinal liquid that is rubbed into the skin to relieve
         muscular stiffness and pain [syn: {liniment},
         {embrocation}]

from The Collaborative International Dictionary of English v.0.48

Embrocation \Em`bro*ca"tion\, n. [NL. embrocatio: cf. F.
   embrocation.] (Med.)
   (a) The act of moistening and rubbing a diseased part with
       spirit, oil, etc.
   (b) The liquid or lotion with which an affected part is
       rubbed.
       [1913 Webster]