lobe

noun

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

Examples of lobe in a Sentence

the frontal lobe of the brain
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This process, called lobe reconnection, sends energy straight into the polar cap. Daisy Dobrijevic, Space.com, 4 Aug. 2025 In a flat city where all private and public property is organized into rectangles and triangles aligned with the principal points of the compass, Lincoln Yards is defined by a series of wedges, lumps and lobes that don’t adjoin with the rest of the Chicago street map. F.k. Plous, Chicago Tribune, 11 July 2025 Doctors at Delray Medical Center used the newest robotic machines to biopsy, mark, and remove the lung lobe where the nodule resided. Cindy Krischer Goodman, Sun Sentinel, 15 June 2025 Not until at age 89: she was diagnosed with frontotemporal lobe dementia. Carol Sutton Lewis, Scientific American, 18 June 2025 See All Example Sentences for lobe

Word History

Etymology

Middle French, from Late Latin lobus, from Greek lobos

First Known Use

1541, in the meaning defined above

Time Traveler
The first known use of lobe was in 1541

Browse Nearby Words

Cite this Entry

“Lobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lobe. Accessed 20 Aug. 2025.

Kids Definition

lobe

noun
: a curved or rounded part
especially : one that is part of a bodily organ or part
lobed
ˈlōbd
adjective

Medical Definition

lobe

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

More from Merriam-Webster on lobe

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