A more thorough explanation:

Definition: Honorary services refer to special services that were provided to the king by a person who held tenure of grand serjeanty. These services usually involved carrying the royal banner or sword, or serving at the king's coronation as a butler, champion, or in some other capacity.

Examples: One example of honorary services is carrying the royal banner during a procession. Another example is serving as a butler at the king's coronation. A third example is serving as a champion, which involved fighting on behalf of the king in a tournament.

Explanation: Honorary services were a way for individuals to show their loyalty and devotion to the king. These services were often performed by individuals who held a special position in the king's court, such as a grand serjeanty. The examples illustrate the different types of services that were provided, including carrying the royal banner, serving as a butler, and fighting as a champion. These services were seen as a great honor and were often rewarded with titles, lands, or other privileges.