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

The iconic Venus flytrap (Dionaea muscipula), for example, has hinged leaf lobes equipped with trigger hairs. —Scott Travers, Forbes.com, 20 Jan. 2026

Who couldn’t use a little frontal-lobe jumpstart? —Jenny Berg, Vogue, 20 Jan. 2026

Because of the surrounding gas, one jet lobe is compressed and squashed. —Christopher McFadden, Interesting Engineering, 17 Jan. 2026

Lily Allen's super-short bob hits higher than most with a straight-across cut that falls at her ear lobes and bangs that hover right above her eyebrows. —Elise Tabin, InStyle, 14 Jan. 2026

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