lobe

noun

ˈlōb 

: 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

To identify the plant, Kaufmann recommends looking for a notch or lobe that is sometimes found on one side of the oblong leaflets with smooth margins. —Patricia Shannon, Southern Living, 17 June 2025

The Blades The incisions are many and have come at every limb and lobe of higher education. —David Rosowsky, Forbes.com, 13 June 2025

The inner lobes are bright and short, while the outer lobes are faint and elongated. —Robert Lea, Space.com, 9 June 2025

These optic lobes are just two of the over 30 lobes experts study within the animal’s centralized brain, as each lobe helps the octopus process its environment. —Kenna Hughes-Castleberry, ArsTechnica, 7 June 2025

Word History

Etymology

Middle French, from Late Latin lobus, from Greek lobos

First Known Use

1541, in the meaning defined above

Phrases Containing lobe

• frontal lobe
• lobe-fin
• occipital lobe
• olfactory lobe
• optic lobe
• parietal lobe
• temporal lobe

Rhymes for lobe

• globe
• jobe
• probe
• robe
• strobe
• bathrobe
• earlobe
• microbe
• niobe
• wardrobe
• microprobe

Kids Definition

lobe

noun

ˈlōb 

: a curved or rounded part

especially : one that is part of a bodily organ or part

lobed

ˈlōbd

adjective

Medical Definition

lobe

noun

ˈlōb 

: 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