English Reference

Word

belly

Phoneticsbel·ly, stress on the first syllable

US/ˈbɛɫi/

UK/bˈɛli/

Definitions

01stomach area

A2 · Elementary Countable noun

n. the stomach or the front part of the body below the chest.

n. the abdomen or stomach region of a human or animal.

“The puppy rolled over to let someone scratch its belly.”

“After the heavy holiday meal, he sat back in his armchair and patted his belly with a look of total satisfaction.”

Antonyms

02underside of a vehicle

B2 · Upper Intermediate Countable noun

n. the bottom part of a large object, like an airplane or a ship.

n. the lower fuselage of an aircraft or the underside of a large vessel.

“The luggage is stored in the belly of the plane.”

“The engineers inspected the belly of the aircraft for any signs of structural damage after the emergency landing on the grass strip.”

Synonyms

Antonyms

03to swell or bulge

C1 · Advanced Literary

v. to swell out or fill with air, like a sail in the wind.

v. to swell out or become protuberant; often used of sails or curtains filling with air.

“The sails began to belly out as the wind picked up.”

“The heavy velvet curtains bellied inward as a sudden gust of cold night air forced its way through the open window.”

Synonyms

bulgebillowswell

Antonyms

Etymology

Etymology tree Proto-Indo-European *bʰelǵʰ-der. Proto-Germanic *balgiz Proto-West Germanic *balgi Old English bielġ Middle English bely English belly Inherited from Middle English bely, beli, bali, below, belew, balyw, from Old English bielġ (“bag, pouch, bulge”), from Proto-West Germanic balgi, balgu, from Proto-Germanic balgiz, balguz (“skin, hide, bellows, bag”), from Proto-Indo-European *bʰelǵʰ- (“to swell, blow up”). Cognate with Dutch balg, German Balg, Danish bælg, Old Irish bolg, Welsh bol. Doublet of bellows, blague, bulge, and budge. See also bellows. For the belly — bellows connection compare typologically Macedonian мев (mev, “abdomen, belly; bellows”). Also compare Ancient Greek φῦσα (phûsa, “bellows; bladder; ...”), Latin venter — vēsīca, Russian пу́зо (púzo) — пузы́рь (puzýrʹ), пузырёк (puzyrjók).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

Related words

Idioms

Domains

AnatomyArchitecture

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A2 KeyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.3.0–4.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 2.0–2.524–43TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.225–549
Frequency
Common
Level
A2 · Elementary
Updated

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