\Cu"mu*la*tive\ (k?"m?-l?-t?v), a. [Cf. F.
cumulatif.]
1. Composed of parts in a heap; forming a mass; aggregated.
   ``As for knowledge which man receiveth by teaching, it is
   cumulative, not original.'' --Bacon
2. Augmenting, gaining, or giving force, by successive
   additions; as, a cumulative argument, i. e., one whose
   force increases as the statement proceeds.
         The argument . . . is in very truth not logical and
         single, but moral and cumulative.     --Trench.
3. (Law)
   (a) Tending to prove the same point to which other
       evidence has been offered; -- said of evidence.
   (b) Given by same testator to the same legatee; -- said of
       a legacy. --Bouvier. --Wharton.
{Cumulative action} (Med.), that action of certain drugs, by
   virtue of which they produce, when administered in small
   doses repeated at considerable intervals, the same effect
   as if given in a single large dose.
{Cumulative poison}, a poison the action of which is
   cumulative.
{Cumulative vote} or {system of voting} (Politics), that
   system which allows to each voter as many votes as there
   are persons to be voted for, and permits him to accumulate
   these votes upon one person, or to distribute them among
   the candidates as he pleases.