A more thorough explanation:

Definition: A livery office is a place where lands are delivered or transferred from one owner to another.

Example: In medieval England, a livery office was responsible for the transfer of land ownership from a deceased lord to his heir. The new lord would receive a livery, or a set of clothes and other items, as a symbol of his new status and ownership of the land.

Explanation: The example illustrates how a livery office was used in medieval England to transfer land ownership. The livery, or set of clothes, was a symbol of the new lord's ownership and authority over the land. The livery office was responsible for ensuring that the transfer of ownership was legal and properly recorded.