What term is used for the scenario when a person dies without a will and leaves no heirs?

The term that describes the situation when a person dies without a will and leaves no heirs is "escheat." In legal terms, escheat refers to the process by which property reverts to the state when an individual passes away intestate (without a will) and has no identifiable heirs to inherit their property. This legal principle ensures that properties do not remain ownerless and that they can be managed and utilized by the state.

Adverse possession, the role of grantor, and grantee pertain to different legal concepts related to property transfer and rights. Adverse possession involves a person acquiring ownership of land after continuous and open possession for a specified period, while a grantor is someone who conveys property, and a grantee is the recipient of that property. None of these terms apply to situations involving the absence of a will and heirs, reinforcing why escheat is the correct answer in this context.