noun, plural Char·ter·hous·es [chahr-ter-hou-ziz] /ˈtʃɑr tərˌhaʊ zɪz/.
Examples from the Web for charterhouse
The last five years of his life were spent in a comfortable asylum, as "a poor brother of the Charterhouse."
The London Charterhouse, with which we are immediately concerned, was the fourth house of the order established in England.Memorials of Old London|Various
Charterhouse is the name; the buildings are not yet forty years old.
Of late years, perhaps, Charterhouse has drained away some of the supply of future Abbots and Onslows.
He appears in the Charterhouse records for the year 1822 as a boy on the tenth form.Thackerayana|William Makepeace Thackeray