The Collaborative International Dictionary of English v.0.48:

In commendam \In com*men"dam\ [See Commendam.] (Law)
   See Commendam, and Partnership in Commendam, under
   Partnership.
   [1913 Webster]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

IN COMMENDAM. The state or condition of a church living, which is void or
vacant, and it is commended to the care of some one. In, Louisiana, there is
a species of partnership called a partnership in commendam. Vide Commendam.