hourglass: a sandglass that runs for sixty minutes
sandglass: timepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage
legionnaires' disease: acute (sometimes fatal) lobar pneumonia caused by bacteria of a kind first recognized after an outbreak of the disease at an American Legion convention in Philadelphia in 1976; characterized by fever and muscle and chest pain and headache and chills and a dry cough