1
a
: an adult male domestic chicken : cock
b
: an adult male of various birds other than the domestic chicken
2
: a cocky or vain man
Examples of rooster in a Sentence
We heard the crow of a rooster.
Recent Examples on the Web
And no, hens don’t require the attention of a rooster to lay eggs.
—
Joan Morris, Mercury News, 29 Sep. 2025
One of the bathrooms puts you face-to-face with no fewer than three different sculptures of roosters.
—Bradley Hohulin, IndyStar, 22 Sep. 2025
Then scientists would inject the edited Nicobar pigeon PGCs into the embryos of regular chickens — roosters and hens — that have been genetically modified not to make their own germ cells.
—Katie Hunt, CNN Money, 17 Sep. 2025
Some discussed potential restrictions included the ban of roosters, the ban of slaughtering chickens and requirements around upkeep.
—R. Christian Smith, Chicago Tribune, 4 Sep. 2025
See All Example Sentences for rooster
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Joan Morris, Mercury News, 29 Sep. 2025
One of the bathrooms puts you face-to-face with no fewer than three different sculptures of roosters.
—Bradley Hohulin, IndyStar, 22 Sep. 2025
Then scientists would inject the edited Nicobar pigeon PGCs into the embryos of regular chickens — roosters and hens — that have been genetically modified not to make their own germ cells.
—Katie Hunt, CNN Money, 17 Sep. 2025
Some discussed potential restrictions included the ban of roosters, the ban of slaughtering chickens and requirements around upkeep.
—R. Christian Smith, Chicago Tribune, 4 Sep. 2025
See All Example Sentences for rooster
Cite this Entry
“Rooster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rooster. Accessed 10 Oct. 2025.
Copy CitationKids Definition
rooster
noun
roost·er
ˈrü-stər 
1
: an adult male domestic chicken
2
: an adult male bird
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