n. [capitalized] The hospital of St. Mary of Bethlehem in London, originally a priory, founded about 1247, but afterward used as an asylum for lunatics.n. Hence A madhouse; a lunatic asylum.n. A scene of wild uproar and confusion.n. An inmate or a patient of Bethlehem Hospital, or Bedlam; specifically, one discharged as cured (though often only partially cured) and licensed to beg.n. Hence In general, a madman; a lunatic.Belonging to or fit for a bedlam or madhouse; mad; mentally deranged.