Accumulation Trust (noun): This is the second kind of trust for retirement assets. It is simply defined as any type of trust that is not a conduit trust. With an accumulation trust, the trustee is not required to immediately distribute withdrawals from the retirement account. Instead the trustee may hold the withdrawals in a trust. As a result, the trust receives asset protection and minimal taxes. The life expectancy of the oldest beneficiary is used to calculate the minimum required distributions for all the beneficiaries. To find out more about accumulation trusts click here.