Definition of cumulative

• a. - Composed of parts in a heap; forming a mass; aggregated.
• a. - Augmenting, gaining, or giving force, by successive additions; as, a cumulative argument, i. e., one whose force increases as the statement proceeds.
• a. - Tending to prove the same point to which other evidence has been offered; -- said of evidence.
• a. - Given by same testator to the same legatee; -- said of a legacy.