PREFAB
prefab
(adjective) manufactured in standard sizes to be shipped and assembled elsewhere; “a prefab structure”
prefab
(noun) a prefabricated structure
Source: WordNet® 3.1
Etymology
Shortening.
Adjective
prefab (not comparable)
prefabricated
Noun
prefab (plural prefabs)
A prefabricated building.
A prefabricated section of a building.
(British) 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.
Verb
prefab (third-person singular simple present prefabs, present participle prefabbing, simple past and past participle prefabbed)
To prefabricate.
Source: Wiktionary