promoter
noun
pro·mot·er
prə-ˈmō-tər 
1
: one that promotes
especially
: one who assumes the financial responsibilities of a sporting event (such as a boxing match) including contracting with the principals, renting the site, and collecting gate receipts
2
obsolete
: prosecutor
3
: a substance that in very small amounts is able to increase the activity of a catalyst
4
: a binding site in a DNA chain at which RNA polymerase binds to initiate transcription of messenger RNA by one or more nearby structural genes
Examples of promoter in a Sentence
a promoter of greater understanding and cooperation among churches
Recent Examples on the Web
Track owners and race promoters nationwide often don’t enforce their own safety rules, the newspaper found.
—
Nick Penzenstadler, USA Today, 4 Dec. 2025
By May 1981, detectives were watching bridges over the Chattahoochee when an officer heard a splash and stopped a car driven by 23-year-old music promoter Wayne Williams.
—Christina Coulter, PEOPLE, 29 Nov. 2025
Mackenzie Doyle, justice promoter for the Sisters of Charity of Cincinnati, expressed concern that the examples of teachings in the bill omit key historical context and ignore negative impacts of religion.
—Alia Shoaib, MSNBC Newsweek, 27 Nov. 2025
His work also includes commercial photography for small companies, consumer product makers, fashion firms, lifestyle brands and travel promoters.
—Noah Lyons, San Diego Union-Tribune, 25 Nov. 2025
See All Example Sentences for promoter
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Nick Penzenstadler, USA Today, 4 Dec. 2025
By May 1981, detectives were watching bridges over the Chattahoochee when an officer heard a splash and stopped a car driven by 23-year-old music promoter Wayne Williams.
—Christina Coulter, PEOPLE, 29 Nov. 2025
Mackenzie Doyle, justice promoter for the Sisters of Charity of Cincinnati, expressed concern that the examples of teachings in the bill omit key historical context and ignore negative impacts of religion.
—Alia Shoaib, MSNBC Newsweek, 27 Nov. 2025
His work also includes commercial photography for small companies, consumer product makers, fashion firms, lifestyle brands and travel promoters.
—Noah Lyons, San Diego Union-Tribune, 25 Nov. 2025
See All Example Sentences for promoter
Cite this Entry
“Promoter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/promoter. Accessed 15 Dec. 2025.
Copy CitationKids Definition
promoter
noun
pro·mot·er
prə-ˈmōt-ər
: a person who promotes
especially
: one who finances a sporting event
a promoter of prizefights
Medical Definition
promoter
noun
pro·mot·er
-ˈmōt-ər
1
: a substance that in very small amounts is able to increase the activity of a catalyst
2
: a binding site in a DNA chain at which RNA polymerase binds to initiate transcription of messenger RNA by one or more nearby structural genes
3
: a chemical believed to promote carcinogenicity or mutagenicity
Legal Definition
promoter
noun
pro·mot·er
: one who alone or with others actively participates in the formation of a business or venture
promoters owe a fiduciary duty to the corporation they are promoting—R. C. Clark
R. C. ClarkLove words? Need even more definitions?
Merriam-Webster unabridged
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