Dictionary.com
Thesaurus.com

brains

  • plural
    of brain.
    brain
    noun
    the part of the central nervous system enclosed in the cranium of humans and other vertebrates, consisting of a soft, convoluted mass of gray and white matter and serving to control and coordinate the mental and physical actions.
  • present tense form
    of brain (3rd person singular).
    brain
    noun
    the part of the central nervous system enclosed in the cranium of humans and other vertebrates, consisting of a soft, convoluted mass of gray and white matter and serving to control and coordinate the mental and physical actions.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Since 1,374 brains weren’t examined, the true prevalence of CTE isn’t known but could be substantially higher.

From The Wall Street Journal ● Sep. 9, 2026

She already had the beauty and brains, all she’d need was an alias, a leotard and a notebook.

From Los Angeles Times ● Sep. 5, 2026

But stunningly high numbers of women report having intrusive thoughts about harming their children—moments when their own brains betray them, when it’s clear that none of us are in total control over our own minds.

From Slate ● Sep. 5, 2026

He’s more positive about robotic brains becoming better at fusing multiple sources of data and turning that into action toward the end of this decade.

From MarketWatch ● Sep. 5, 2026

“This was a case of, ‘If we can’t have William Friedman, we will make use of his brains through his wife,’” she later said.

From "The Woman All Spies Fear" by Amy Butler Greenfield