lobe
American
noun
-
any rounded projection forming part of a larger structure
-
any of the subdivisions of a bodily organ or part, delineated by shape or connective tissue
-
short for ear lobe
-
any of the loops that form part of the graphic representation in cylindrical coordinates of the radiation pattern of a transmitting aerial Compare radiation pattern
-
any of the parts, not entirely separate from each other, into which a flattened plant part, such as a leaf, is divided
-
A rounded projection, as on a leaf or petal. The leaves of many oak species have prominent lobes.
-
An anatomical division of an organ of the body. The liver, lungs, and brain are all characterized by lobes that are held in place by connective tissue.
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of lobe
1515–25; < Medieval Latin lobus ( Late Latin: hull, husk, pod) < Greek lobós, akin to Latin legula lobe of the ear
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
They also had reduced frontal and occipital lobe volume and more damage in the brain's white matter, changes that have been associated with aging, stroke risk, cognitive decline and dementia.
From Science Daily ● Jul. 21, 2026
What he did and how he did it is still in the frontal lobe of those who watched and those who wrote and broadcast about him.
From Los Angeles Times ● Apr. 19, 2026
Barbara Sahakian, a neuropsychologist at the University of Cambridge who specialises in ADHD, said the condition affects the brain's frontal lobe, which play a key role in organisation and focus.
From BBC ● Mar. 25, 2026
Scroll through TikTok or Instagram and you will likely see the familiar line: “Your frontal lobe isn’t fully developed yet.”
From Science Daily ● Feb. 19, 2026
Her right lobe had split open once and was sewn together again by Dr. Verghese Verghese.
From "The God of Small Things" by Arundhati Roy
Psychiatric disorders were associated with elevated PAD in the frontal and temporal lobes, while dementia was linked to higher PAD in the frontal and occipital cortex.
From Science Daily ● Sep. 29, 2026
Maps showing spectral ages across individual galaxies also revealed that their radio lobes continue changing after the jets have switched off.
From Science Daily ● Sep. 4, 2026
Early in the disease, regions around the hippocampus, deep within the brain's temporal lobes, are among the first to be affected.
From BBC ● Aug. 31, 2026
The frontal lobes play an important role in planning, decision-making, and other executive functions, while the occipital lobes are central to visual processing.
From Science Daily ● Jul. 21, 2026
I painted the vuvv anti-gravity lobes and the towers and hanging vanes of a rich-people cloud-complex after Chloe and I visited one.
From "Landscape with Invisible Hand" by M.T. Anderson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
