Cheltenham Estate Lawyer, England, page 6

(1) In the law of wills and estates, a person appointed by the court to take charge of only a designated portion of an estate during probate. For example, a special administrator with particular expertise on art might be appointed to oversee the probate of a wealthy person's art collection, but not the entire estate. (2) A person appointed to be responsible for a deceased person's property for a limited time or during an emergency, such as a challenge to the will or to the qualifications of the named executor. In such cases, the special administrator's duty is to maintain and preserve the estate, not necessarily to take control of the probate process

A child or spouse who is not mentioned in a will and whom the court believes was accidentally overlooked by the person who made the will. For example, a child born or adopted after the will is made may be deemed a pretermitted heir. If the court determines that an heir was accidentally omitted, that heir is entitled to receive the same share of the estate as she would have if the deceased had died without a will. A pretermitted heir is sometimes called an 'omitted heir.'

A person who receives any property by a will or trust that is not specifically left to another designated beneficiary. For example, if Antonio makes a will leaving his home to Edwina and the remainder of his property to Elmo, then Elmo is the residuary beneficiary.

A trust created for a beneficiary the grantor considers irresponsible about money. The trustee keeps control of the trust income, doling out money to the beneficiary as needed, and sometimes paying third parties (creditors, for example) on the beneficiary's behalf, bypassing the beneficiary completely. Spendthrift trusts typically contain a provision prohibiting creditors from seizing the trust fund to satisfy the beneficiary's debts. These trusts are legal in most states, even though creditors hate them.

All of the property you own when you file for bankruptcy, except for most pensions and educational trusts. The trustee technically takes control of your bankruptcy estate for the duration of your case.

A relatively simple probate proceeding available for 'small estates,' as that term is defined by state law. Every state's definition is different, and many are complicated, but a few examples include estates worth up to $100,000 in California; New York estates where property, excluding real estate and amounts that must be set aside for surviving family members, is worth $20,000 or less; and Texas estates where the value of property doesn't exceed what is needed to pay a family allowance and certain creditors.