1. The increase of a thing by repeated additions to it; esp., the increase of a fund by the repeated addition of the income that it creates.
2. The concurrence of several titles to the same thing.
3. The concurrence of several circumstances to the same proof.
4. The retention of dividends for future distribution.
5. Insurance. An increase in the principal sum insured for, effective upon renewal of a policy, without a change of premiums. — accumulate, vb.
