1
a
: a differentiated structure (such as a heart, kidney, leaf, or stem) consisting of cells and tissues and performing some specific function in an organism
b
: bodily parts performing a function or cooperating in an activity
the eyes and related structures that make up the visual organs
2
a(1)
: a keyboard instrument in which sets of pipes are sounded by compressed air and produce a variety of timbres
called also pipe organ
(2)
: an electronic keyboard instrument that approximates the sounds and resources of the pipe organ
(3)
(4)
: any of various similar cruder instruments
b
3
: a subordinate group or organization that performs specialized functions
the various organs of government
4
variants
or organo-
1
: organ
organogenesis
2
: organic
organomercurial
Synonyms
Examples of organ in a Sentence
Noun
the legislative organ of our government
that newspaper is intended as an organ for the whole university community
Recent Examples on the Web
Joseph Wilkinson, New York Daily News, 21 Jan. 2025
The mad professor could play organ, piano, accordion, horns — anything to serve the song.
—Rob Sheffield, Rolling Stone, 21 Jan. 2025
Garth Hudson, who played the Lowrey organ, synthesizers, accordion, and woodwind with the Band, died in his sleep this morning (January 21), the Toronto Star reports.
—Jazz Monroe, Pitchfork, 21 Jan. 2025
After being ingested, the microplastics could target the tissues and organs in the gastrointestinal tract, Meeker explained.
—Jenna Anderson, Health, 19 Jan. 2025
See all Example Sentences for organ 
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Noun
He was best known for his work on the organ, preferring a Lowrey to the rock standard Hammond B-3 of the time.
—Joseph Wilkinson, New York Daily News, 21 Jan. 2025
The mad professor could play organ, piano, accordion, horns — anything to serve the song.
—Rob Sheffield, Rolling Stone, 21 Jan. 2025
Garth Hudson, who played the Lowrey organ, synthesizers, accordion, and woodwind with the Band, died in his sleep this morning (January 21), the Toronto Star reports.
—Jazz Monroe, Pitchfork, 21 Jan. 2025
After being ingested, the microplastics could target the tissues and organs in the gastrointestinal tract, Meeker explained.
—Jenna Anderson, Health, 19 Jan. 2025
See all Example Sentences for organ
Dictionary Entries Near organ
Cite this Entry
“Organ.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/organ. Accessed 29 Jan. 2025.
Copy CitationKids Definition
organ
noun
or·gan
ˈȯr-gən 
1
a
: a keyboard musical instrument in which sets of pipes are sounded by compressed air
b
: an electronic keyboard musical instrument by which sounds like those of an organ are made
2
: a part (as a kidney or leaf) of a person, plant, or animal that consists of cells and tissues and is specialized to do a particular task compare system sense 1b
3
: a way of getting something done
courts are organs of government
4
: a publication (as a newspaper or magazine) of a special group
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