frontal lobe

noun

: the anterior division of each cerebral hemisphere

Examples of frontal lobe in a Sentence

Recent Examples on the Web
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McNamara's current research centers on the evolution of the frontal lobes, the evolution of the two mammalian sleep states (REM and NREM), and the evolution of religion in human cultures. Big Think, 9 Apr. 2026 Venus and Pluto’s clash pushes someone front and center in your frontal lobe. Usa Today, USA Today, 3 Apr. 2026 But clearly, my frontal lobe has fully developed, because now sweaters are as essential to my warm-weather wardrobe as tank tops. Alyssa Grabinski, PEOPLE, 3 Apr. 2026 As a 25-year-old, now proud owner of a frontal lobe. Scott M. Reid, Oc Register, 11 Feb. 2026 See All Example Sentences for frontal lobe

Word History

First Known Use

1827, in the meaning defined above

Time Traveler
The first known use of frontal lobe was in 1827

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Cite this Entry

“Frontal lobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frontal%20lobe. Accessed 22 Apr. 2026.

Medical Definition

frontal lobe

noun
: the anterior division of each cerebral hemisphere having its lower part in the anterior fossa of the skull and bordered behind by the central sulcus

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