rubber room
Noun
Meaning
(idiomatic, psychiatry) A cell lined with cushions used for confinement of a mentally disturbed person.
(idiomatic, education) Especially in New York City, a temporary workplace assigned to a teacher who is not permitted to teach in a classroom because he or she is under disciplinary review.
Source: en.wiktionary.orgSynonyms
madhouse
psychiatric hospital
nuthouse
insane asylum
nut house
solitary confinement
padded cell
reassignment center