Source : Webster's Revised Unabridged Dictionary (1913)

Apportionment \Ap*por"tion*ment\, n. [Cf. F. apportionnement,
   LL. apportionamentum.]
   The act of apportioning; a dividing into just proportions or
   shares; a division or shares; a division and assignment, to
   each proprietor, of his just portion of an undivided right or
   property. --A. Hamilton.

Source : WordNet®

apportionment
     n : the act of distributing by allotting or apportioning;
         distribution according to a plan; "the apportionment of
         seats in the House of Representatives is based on the
         relative population of each state" [syn: {allotment}, {apportioning},
          {allocation}, {parceling}, {parcelling}, {assignation}]