Source : Webster's Revised Unabridged Dictionary (1913)

Excamb \Ex*camb"\, Excambie \Ex*cam"bie\, v. t. [LL. excambiare,
   excambire; L. ex out + cambire. See {Change}, and cf.
   {Exchange}.] (Scots Law)
   To exchange; -- used with reference to transfers of land.