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

White sharks have homosocial tails, meaning the upper lobe and the lower lobe are almost equal in size. —Julia Jacobo, ABC News, 1 June 2026

The diamond-on-ear piece can be matched with a diamond drop below the lobe, or toned down with a gleaming gold drop below the ear. —Kyle Roderick, Forbes.com, 28 May 2026

Once, Denise yanked an earring out of Djena’s left ear, tearing the lobe. —Yudhijit Bhattacharjee, New Yorker, 18 May 2026

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, 8 May 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