A model which is intended to give an all-inclusive picture of a process, system, etc., especially by abstracting from more detailed individual models contained within it.
Origin
1950s. From meta- + model.
Definition of metamodel in US English:
metamodel
nounˈmɛtəˌmɒdl
A model which is intended to give an all-inclusive picture of a process, system, etc., especially by abstracting from more detailed individual models contained within it.