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
With this arrangement, a custodian manages purchases, transportation, physical storage, and tax compliance requirements.
—
Nick Perry, USA Today, 9 Feb. 2026
The union noted that SEIU Local 1021, which represents school clerks and custodians, has also called a sympathy strike.
—Carlos E. Castañeda, CBS News, 6 Feb. 2026
The first stop was Melin Tregwynt, a historic woolen mill founded in 1841 that is still one of the most influential custodians of the Welsh textile tradition.
—Stefania Conrieri, Vanity Fair, 5 Feb. 2026
February is also every elementary school custodian’s least favorite month.
—Mark Glende, Twin Cities, 1 Feb. 2026
See All Example Sentences for custodian
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Nick Perry, USA Today, 9 Feb. 2026
The union noted that SEIU Local 1021, which represents school clerks and custodians, has also called a sympathy strike.
—Carlos E. Castañeda, CBS News, 6 Feb. 2026
The first stop was Melin Tregwynt, a historic woolen mill founded in 1841 that is still one of the most influential custodians of the Welsh textile tradition.
—Stefania Conrieri, Vanity Fair, 5 Feb. 2026
February is also every elementary school custodian’s least favorite month.
—Mark Glende, Twin Cities, 1 Feb. 2026
See All Example Sentences for custodian
Cite this Entry
“Custodian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/custodian. Accessed 14 Feb. 2026.
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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