Definition of "prefab"

prefab

adjective
not comparable
1. prefabricated
noun
plural prefabs
1. A prefabricated building.
  Quotations
  Having donned our PPE, we walk through the site to the prefab that controls access to the tunnel.
  2022 March 23, Paul Bigland, “HS2 is just 'passing through'”, in RAIL, number 953, page 41
2. A prefabricated section of a building.
3. (Britain) A single-storey prefabricated home built in many British cities immediately after World War II, intended to have a short life, but in a few cases still in use.
4. (programming) A reusable object in a video game world.
verb
third-person singular simple present prefabs, present participle prefabbing, simple past and past participle prefabbed
1. To prefabricate.