The Collaborative International Dictionary of English v.0.48:

Chaud-medley \Chaud"-med`ley\, n. [F. chaude m[^e]l['e]e; chaud
   hot + m[^e]ler (Formerly sometimes spelt medler) to mingle.]
   (Law)
   The killing of a person in an affray, in the heat of blood,
   and while under the influence of passion, thus distinguished
   from chance-medley or killing in self-defense, or in a casual
   affray. --Burrill.
   [1913 Webster]