[san-uh-tawr-ee-uh m, -tohr-]

noun, plural san·a·to·ri·ums, san·a·to·ri·a [san-uh-tawr-ee-uh, -tohr-] /ˌsæn əˈtɔr i ə, -ˈtoʊr-/.

a hospital for the treatment of chronic diseases, as tuberculosis or various nervous or mental disorders.

Origin of sanatorium

1830–40; < New Latin, equivalent to Latin sanā(re) to heal + -tōrium -tory2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sanatorium

Contemporary Examples of sanatorium

Historical Examples of sanatorium

  • As a sanatorium it might be of great value to the ships of the African Squadron.

    The Last Voyage

    Lady (Annie Allnutt) Brassey

  • She had heard him order the chauffeur to drive to the sanatorium.

    The Ivory Snuff Box

    Arnold Fredericks

  • At the sanatorium he had a bath and a good dinner, and made his rounds.

    Glory of Youth

    Temple Bailey

  • I'll stop to-morrow morning, child, on my way to the sanatorium, and take you over.

    Glory of Youth

    Temple Bailey

  • Napier will be the sanatorium of that side of the world one of these days.


    David Christie Murray

British Dictionary definitions for sanatorium


US sanitarium (ˌsænɪˈtɛərɪəm)

noun plural -riums or -ria (-rɪə)

an institution for the medical care and recuperation of persons who are chronically ill
a health resort
British a room in a boarding school where sick pupils may be treated in isolation

Word Origin for sanatorium

C19: from New Latin, from Latin sānāre to heal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sanatorium

1839, Modern Latin, noun use of neuter of Late Latin adjective sanitorius "health-giving," from Latin sanat-, past participle stem of sanare "to heal," from sanus "well, healthy, sane" (see sane). Latin sanare is the source of Italian sanare, Spanish sanar.

Online Etymology Dictionary, © 2010 Douglas Harper

sanatorium in Medicine



n. pl. san•a•to•ri•ums

An institution for the treatment of chronic diseases or for medically supervised recuperation.
A resort for improvement or maintenance of health, especially for convalescents.sanitarium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.