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.
When sudden stratospheric warming weakens it, that band stretches unevenly and becomes wavy, allowing lobes of cold air to slip much farther south. Brandi D. Addison, Louisville Courier Journal, 18 Nov. 2025 The bullet entered the singer’s back and went through her ribs as well as the upper lobe of her lungs before exiting her body. Brittany Spanos, Rolling Stone, 17 Nov. 2025 One tumor is centrally located in the middle of her lobes. Lucy Notarantonio, MSNBC Newsweek, 8 Nov. 2025 Discovered in 1882, its two lobes and bright features suggest a binary companion. Big Think, 3 Nov. 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 24 Nov. 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

Last Updated: - Updated example sentences
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