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.
With temporary support from the pig liver, the patient’s own left lobe was able to recover and regenerate. Humberto Basilio, Scientific American, 10 Oct. 2025 The dog family, including coyotes and foxes, can be differentiated from the cat family by the shape of their palm pads — triangular for dogs, two lobes at the peak for cats. Steven Sullivan, The Conversation, 29 Sep. 2025 The glossy leaves have a unique shape with pointy lobes. Arricca Elin Sansone, Southern Living, 3 Sep. 2025 The post featured a photo of the left side of Ramsay’s head and face, where a bandage was placed just under the lobe of his left ear. Sara Vallone, Miami Herald, 1 Sep. 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 15 Oct. 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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