rehab
noun
[ ˈriːhab ]
• a course of treatment for drug or alcohol dependence, typically at a residential facility.
• "the star has been in rehab for a week"
• a building that has been rehabilitated or restored.
• "a homeowner who discovers his rehab straddles the San Andreas fault"
• financial assistance provided by the Rehabilitation Department, established to support returned servicemen after the Second World War.
• "he'd had to bum around for a few years before approaching the Rehab"
rehab
verb
• rehabilitate or restore.
• "they don't rehab you at all in jail"
Origin:
1940s: abbreviation of rehabilitate and rehabilitation.