Source : Webster's Revised Unabridged Dictionary (1913)

Logistics \Lo*gis"tics\, n.
   1. (Mil.) That branch of the military art which embraces the
      details of moving and supplying armies. The meaning of the
      word is by some writers extended to include strategy. --H.
      L. Scott.

   2. (Math.) A system of arithmetic, in which numbers are
      expressed in a scale of 60; logistic arithmetic.

Source : WordNet®

logistics
     n : handling an operation that involves providing labor and
         materials be supplied as needed