Source : Webster's Revised Unabridged Dictionary (1913)

M'etier \M['e]`tier"\, n. [F.]
   Calling; vocation; business; trade.

         Not only is it the business of no one to preach the
         truth but it is the m['e]tier of many to conceal it.
                                                  --A. R.
                                                  Colquhoun.