noun
rooster
ROOS-tuh
noun
1
An adult male chicken.
"The rooster crowed just after dawn and woke the whole street."
"They keep one rooster with a dozen hens on the farm."
How to Use Rooster
Learner’s notesIn plain EnglishA rooster is a male chicken, known for crowing at sunrise.
UK vs US
Rooster is the usual American English word; British English still commonly says "cock" for the same bird.
Common pairings
crow like a rooster
a farmyard rooster
the rooster crowed
Word Forms
roosters plural
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Etymology
Formed from roost plus -er, originally meaning "one that roosts." It became the polite American alternative to "cock" once that word picked up other slang meanings.