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

Leo made the appeal to Putin during a phone call Friday while recovering at Rome’s Gemelli hospital from surgery to remove the lower lobe of his right lung. — Los Angeles Times, 19 Oct. 2026

Leo had the lower lobe of his right lung removed on Tuesday in the first major health event of his 17-month pontificate. — Arkansas Online, 18 Oct. 2026

The 71-year-old pontiff had the lower lobe of his right lung removed on Tuesday in the first major health event of his 17-month pontificate. — ABC News, 18 Oct. 2026

In some cases, surgeons might even do surgeries called a segmentectomy, or a wedge resection, which takes less tissue than one of the five lobes of a lung, to preserve more lung function. — Meghana Keshavan, STAT, 16 Oct. 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
• 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