custodian
noun
cus·to·di·an
ˌkə-ˈstō-dē-ən 
: one that guards and protects or maintains
especially
: one entrusted with guarding and keeping property or records or with custody or guardianship of prisoners or inmates
Examples of custodian in a Sentence
the custodian made his usual rounds of the building to make sure that everything was OK
served as custodian of the prisoner until he could be turned over to federal authorities
Recent Examples on the Web
But unless data is truly replicated widely, availability still hinges on just a few custodians.
—
Viktor Trón, Forbes.com, 23 June 2025
The showrunners have worked closely with the Preservation Society of Newport County, custodian of more than a dozen historic residences, to get the kind of access that’s rarely granted to film crews.
—Brent Lang, Variety, 20 June 2025
Saudi Arabia, custodian of Islam’s holy sites, has its own claim to leadership of the world’s Muslims.
—Karl Vick, Time, 19 June 2025
The delegates, therefore, chose not to explicitly grant Congress the authority to act as the custodian of the civil rights bucket.
—Literary Hub, 5 June 2025
See All Example Sentences for custodian
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Viktor Trón, Forbes.com, 23 June 2025
The showrunners have worked closely with the Preservation Society of Newport County, custodian of more than a dozen historic residences, to get the kind of access that’s rarely granted to film crews.
—Brent Lang, Variety, 20 June 2025
Saudi Arabia, custodian of Islam’s holy sites, has its own claim to leadership of the world’s Muslims.
—Karl Vick, Time, 19 June 2025
The delegates, therefore, chose not to explicitly grant Congress the authority to act as the custodian of the civil rights bucket.
—Literary Hub, 5 June 2025
See All Example Sentences for custodian
Cite this Entry
“Custodian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/custodian. Accessed 3 Jul. 2025.
Copy CitationKids Definition
custodian
noun
cus·to·di·an
ˌkəs-ˈtōd-ē-ən
1
: someone who guards and protects or takes care of something for another person
2
: someone who cleans and takes care of a building : janitor sense 2
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