Greenbush Wills & Probate Lawyer, Massachusetts

A will that is completely handwritten, dated and signed by the person making it. Holographic wills are generally not witnessed. Although it's legal in many states, making a holographic will is never advised except as a last resort.

A bypass trust funded with an amount no larger than the personal federal estate tax exemption in the year of death. If the trust grantor leaves property worth more than that amount, it usually goes to the surviving spouse. The trust property passes free from estate tax because of the personal exemption, and the rest is shielded from tax under the surviving spouse's marital deduction.

The person or institution designated to receive trust property upon the death of a life beneficiary. For example, Jim creates a trust through which his wife Jane receives income for the duration of her life. Their daughter, the final beneficiary, receives the trust principal after Jane's death.

Under a will, the failure of a gift of property. A gift lapses when the beneficiary dies before the person who made the will, and no alternate has been named. Some states have anti-lapse statutes, which prevent gifts to relatives of the deceased person from lapsing unless the relative has no heirs of his or her own. A lapsed gift becomes part of the residuary estate.

A trust that allows couples to reduce or avoid estate taxes. Each spouse puts his or her property in an AB trust. When the first spouse dies, his or her half of the property goes to the beneficiaries named in the trust -- commonly, the grown children of the couple -- with the crucial condition that the surviving spouse has the right to use the property for life and is entitled to any income it generates. The surviving spouse may even be allowed to spend principal in certain circumstances. When the surviving spouse dies, the property passes to the trust beneficiaries. It is not considered part of the second spouse's estate for estate tax purposes. Using this kind of trust keeps the second spouse's taxable estate half the size it would be if the property were left directly to the spouse. This type of trust is also known as a bypass or credit shelter trust.

An ownership interest in the minerals contained in a particular parcel of land, with or without ownership of the surface of the land. The owner of mineral rights is usually entitled to either take the minerals from the land himself or receive a royalty from the party that actually extracts the minerals.