Prefab
Part of speech: abbreviation
Definition: prefabricated
Part of speech: noun
Definition: a prefabricated building, or section of a building a single-storey prefabricated home built in many British cities immediately after the World War II and still in use
Ready-made
Part of speech: noun
Definition: An everyday object designated as art.
Part of speech: adjective
Definition: Made or prepared in advance of need.