Meta
The word meta is often used as a prefix to indicate that something is self referential or operates at a higher level of abstraction. However the meaning of meta service would depend on the context in which it is used. It could refer to a service that manages or provides information about other services or it might relate to a service that operates at a higher level of abstraction in a service oriented architecture.
Service Management:
In the context of IT or software architecture, a "meta service" could refer to a service that is responsible for managing or orchestrating other services. This meta service might handle tasks like load balancing, service discovery, monitoring, and scaling for other services.
Service Aggregator:
A meta service might also be a service that aggregates or combines the functionality of multiple other services. For example, it could collect data or features from various services and present them in a unified manner to users or other services.
Metadata Service:
In some cases meta service could be related to a service that deals with metadata. This could include services that store manage or provide metadata about other services resources or data making it easier to search categorize or understand the underlying content or services.
Higher-Level Abstraction:
The term meta is often used to denote something at a higher level of abstraction. In this sense a meta service could refer to a service that operates at a more abstract level handling overarching functions that are common to various other services within a system.