noun · verb · 5 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:AH0 K AO1 R D IY0 AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A box-shaped musical instrument played by compressing or expanding its bellows while pressing its buttons or its keys, causing pallets to open, which allow air to flow across strips of brass or steel (reeds).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: squeezebox
2
noun
Meaning 2
A vertical list of items that can be individually expanded and collapsed to reveal their contents.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Something, or set of things (concepts, etc), which can be expanded (or extended) and collapsed, like the musical instrument's pleated, folding bellows.
Definition source: English Wiktionary via Wiktextract
Usage: attributive, figuratively
Examples
See also: telescoping
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
To fold up, in the manner of an accordion
Definition source: English Wiktionary via Wiktextract
Usage: intransitive, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Old Latin com Latin cum Proto-Indo-European *ḱerd- Proto-Indo-European *ḱḗr Proto-Indo-European *ḱr̥d- Proto-Italic *kord Latin cor Latin concors Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-yéti Proto-Indo-European *-eh2yéti Proto-Indo-European *-h2tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin concordāreder. Proto-Indo-European *h2éd Proto-Italic *ad Proto-Italic *ad- Latin ad-der. Vulgar Latin *accordāre Old French acorder Middle French accorder French accorderdeverb. French accordbor. German Akkord German -ion German Akkordeonbor. English accordion First attested in 1831. Borrowed from German Akkordeon, from Akkord (“harmony”), from French accord, from Old French acorder, based on Italian accordare (“to tune”). See also accord.
Across languages
Translations
145 source translations are retained for this English entry.
Afrikaans:
akkordeon
— a small, portable, keyed wind instrument
Afrikaans:
trekklavier
— a small, portable, keyed wind instrument
Albanian:
fizarmonikë
— a small, portable, keyed wind instrument