English Reference

Word

organ

Phoneticsor·gan, stress on the first syllable

US/ˈɔɹɡən/

UK/ˈɔːɡən/

Definitions

01body part

B1 · Intermediate Countable noun Medicine

n. a part of your body that has a specific job, like your heart, lungs, or brain.

n. a distinct part of an organism that performs a specific vital function, such as the heart or liver.

“The heart is the organ responsible for pumping blood around your body.”

“The surgeon explained that the patient required an urgent transplant because the vital organ was no longer functioning correctly.”

Synonyms

02musical instrument

B1 · Intermediate Countable noun Music

n. a large musical instrument with a keyboard and many pipes that make sound using air.

n. a large musical instrument consisting of pipes supplied with air from a bellows and played from a keyboard.

“The music from the church organ filled the entire building.”

“The cathedral's pipe organ is famous for its intricate woodwork and the powerful, resonant bass notes it produces during recitals.”

03official publication

C1 · Advanced Countable noun Formal

n. a magazine or newspaper that gives the official news and opinions of a group or party.

n. a periodical or publication that serves as the official voice of a specific organization or political party.

“The journal serves as the official organ of the medical association.”

“For decades, the newspaper functioned as the primary organ of the ruling party, disseminating official policy to the public.”

04government body

C1 · Advanced Countable noun Law Formal · Academic

n. a department or part of a government that does a specific job.

n. an administrative or judicial subdivision of a government or international organization.

“The United Nations has several different organs to handle world issues.”

“The treaty established a new judicial organ to resolve trade disputes between the member states without resorting to sanctions.”

05penis

C2 · Proficiency Countable noun Medicine Slang · Formal

n. a word sometimes used for the male sex organ.

n. a reference to the penis, often used in medical or euphemistic contexts.

“The doctor used formal language to describe the male reproductive organ.”

“In the Victorian era, writers often used the term 'organ' as a polite euphemism to avoid more direct anatomical language.”

Synonyms

Collocations

Common phrases and expressions where native English speakers use the word “organ” in context.

Adjective

01. reproductive organ

“The biology textbook includes a detailed diagram of the human reproductive organ.”

adj + noun

Real-World Examples

“However, different organs can age at different speeds.”
ScienceDaily 24 Aug 2026
“NHS Blood and Transplant's medical director says waiting lists for organ operations are unfair but leaders are not solving the issue.”
BBC News 13 Aug 2026

Etymology

From Middle English organe, from Old French organe, from Latin organum, from Ancient Greek ὄργανον (órganon, “an instrument, implement, tool, also an organ of sense or apprehension, an organ of the body, also a musical instrument, an organ”), from Proto-Indo-European *werǵ-. Doublet of organon, organum, and orgue.

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

Word family

ADJECTIVE

Related words

Idioms

Domains

BiologyMilitary

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

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