Language: en
Meaning: (idiomatic)Acalm,focuseddemeanorandmindset; a person having such characteristics.1829,James Fenimore Cooper, chapter 23, inThe Wept of Wish-Ton-Wish:[H]e had been engaged in divers hostile expeditions against the aborigines, and on all occasions had he shown acool headand a resolute mind.1896,Mark Twain, chapter 5, inPersonal Recollections of Joan of Arc:Joan had acool head—the onlycool headthere—and she took command and brought order out of that chaos.1984June 8,Janet Maslin, “Film:Ghostbusters, with Murray and Aykroyd”, inNew York Times, retrieved20 March 2014:It requires acool head, which Mr. Murray most assuredly has, as well as the ability to remain unruffled by bizarre apparitions.2006November 19, Christine Gorman, “What Ails The CDC”, inTime, retrieved20 March 2014:A telegenic personality who connected easily with journalists, Gerberding quickly became the public face of the CDC—a rarecool headamong a parade of increasingly confused health bureaucrats.
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