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[kuh-stoh-dee-uh n] /kʌˈstoʊ di ən/
a person who has custody; keeper; guardian.
a person entrusted with guarding or maintaining a property; janitor.
Origin of custodian
1775-85; < Latin custōdi(a) watchman (see custody) + -an
Related forms
custodianship, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for custodian
Contemporary Examples
Historical Examples
  • It was a new thing for him to be the custodian of so much treasure.

    Brave and Bold Horatio Alger
  • Dick turned, and followed his custodian out of the office in silence.

    Within the Law Marvin Dana
  • This child was the daughter of some custodian of the demesne before me.

    Bardelys the Magnificent Rafael Sabatini
  • It was Pete Ellinwood, the fire marshal of the village and custodian of the apparatus.

    The Harbor of Doubt Frank Williams
  • “No,” cried my custodian, pushing me forward with the butt-end of his gun.

    Kilgorman Talbot Baines Reed
  • Down in a valley, the window-panes of a custodian's house were lighted up.

    The Nabob Alphonse Daudet
British Dictionary definitions for custodian


a person who has custody, as of a prisoner, ward, etc
a guardian or keeper, as of an art collection, etc
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
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Word Origin and History for custodian

1781, from custody (Latin custodia) + -an. As "janitor," by 1944, American English, short for custodian-janitor (by 1899).

Online Etymology Dictionary, © 2010 Douglas Harper
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