lobe

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noun \ˈlōb\

Definition of lobe

: a curved or rounded projection or division; specifically : a usually somewhat rounded projection or division of a bodily organ or part

See lobe defined for English-language learners

See lobe defined for kids

Examples of lobe in a Sentence

the frontal lobe of the brain

Recent Examples of lobe from the Web

As the students identified the lobes and examined the folds of the brain, Matthew Tribble, also a second-year medical student, explained that the teens were doing the same anatomy lab given to first-year students in medical school.

— adia h. robinson, Philly.com, "Rowan R.A.I.S.E. takes high schoolers to med school," 19 July 2017
Translucent wafers of Korean fluke are wrapped in kelp to cure; sayori (needlefish) is slivered and marinated in soy; and tender lobes of rich uni are glazed with miso.

— garrett snyder, Los Angeles Magazine, "The Los Angeles Magazine Hot Restaurant List for July 2017," 18 July 2017
Now, not long after the spot in the old Si where the high-rpm cam lobes would engage and your spine started to tingle, this new Si gives you three quick flashes of the shift lights and smacks you in the face with the fuel cutoff.

— jared gall, Car and Driver, "2017 Honda Civic Si Coupe," 18 July 2017
This change will allow a lobe of heat and humidity to surge into the Midwest.

— tom skilling, chicagotribune.com, "Pattern shift to return warmth, storms to area," 25 June 2017
Demetrius also had stud earrings in both lobes, a grey tee shirt on, black baggy shorts, and the bright green sneakers modeled after his favorite football team, the Oregon Ducks.

— kevin powell, Billboard, "All Eyez On Him: Demetrius Shipp Jr. Against The World," 19 June 2017
The gauges in his ears have been confiscated and the lobes droop along with his spirits.

— david debolt, The Mercury News, "Exclusive: In jailhouse interview, Ghost Ship’s Max Harris rebuts allegations he blocked stairwell," 17 June 2017
At the time of Roy’s death, Carter was taking Celexa, an antidepressant Breggin said targets the brain’s frontal lobe, which controls empathy and decision-making.

— denise lavoie, Twin Cities, "Woman who sent texts urging suicide guilty of manslaughter," 16 June 2017
Glacial dreams Advancing, retreating and colliding glacier lobes are to thank for the area’s topography.

— chelsey lewis, chicagotribune.com, "A backpacking adventure close to Milwaukee: the Ice Age Trail in the Kettle Moraine," 15 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lobe.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of lobe

Middle French, from Late Latin lobus, from Greek lobos

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First Known Use: 1541

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LOBE Defined for English Language Learners

lobe

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noun

Definition of lobe for English Language Learners

: a curved or rounded part of something (such as a leaf or a part of the body)

LOBE Defined for Kids

lobe

play

noun \ˈlōb\

Definition of lobe for Students

: a rounded part a lobe of a leaf the lobe of the ear

lobed

\ˈlōbd\ adjective

Medical Dictionary

lobe

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noun \ˈlōb\

Medical Definition of lobe

: a curved or rounded projection or division: asa: a more or less rounded projection of a body organ or part the lobe of the earb: a division of a body organ (as the brain, lungs, or liver) marked off by a fissure on the surface