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Key in Irish (Eochair): Meaning, Pronunciation, Usage

‘eochair’ also means: clef

The Irish for key is eochair, a feminine noun (plural eochracha).
Updated October 2026Report a mistake

How to say “key” in Irish

Irish:
eochair
English:
key, clef
Word type:
noun
Gender:
feminine, fifth declension
Pronunciation:
“OKH-ir”  /ˈɔxəɾʲ/
Various forms
Plural:
eochracha (keys)
Genitive singular:
eochrach, na heochrach (e.g. poll na heochrach, the keyhole)
Genitive plural:
eochracha, na n-eochracha (e.g. fáinne na n-eochracha, the key ring)

What does “eochair” mean?

“Eochair” has four alternative meanings. The most common comes first.

key
A shaped piece of metal used to open or close a lock.Also: door key, house key.
3 other meanings: clef
2key
Something that explains or gives the answer to a problem, code or puzzle, or a list explaining symbols on a map.Also: solution, answer key, legend.
3clef
In music, a sign at the start of a stave that shows the pitch of the notes, or the key of a piece.Also: musical key.
4key
A button on a keyboard or a lever on a musical instrument that you press.Also: keyboard key, piano key.

“Eochair” with the article

The plural of key in Irish is eochracha. Here is eochair after the article (an t-alt), in the singular and the plural.

an eochair
the key
No change: feminine nouns starting with a vowel keep their form after an
na heochracha
the keys
Plural: na adds h before a vowel

“Eochair” in a sentence: Irish examples

Common Irish sentences using eochair, the Irish word for key.

Cá bhfuil mo chuid eochracha?
Where are my keys?
Tá an eochair agam anseo.
I have the key here.
Chaill mé eochair an chairr inné.
I lost the car key yesterday.
D'fhág sí an eochair sa doras.
She left the key in the door.
Tá eochair an tseomra fós agam.
I still have the room key.
Is í an obair chrua eochair an ratha.
Hard work is the key to success.
Brúigh an eochair sin ar an eochairchlár.
Press that key on the keyboard.

Other nouns in Irish

More everyday Irish nouns to learn next.

Key in Irish: frequently asked questions

What is the Irish for key?

The Irish for key is eochair (pronounced “OKH-ir”). It’s a feminine noun and the plural is eochracha. Depending on context it can also mean clef.

How do you pronounce eochair in Irish?

Eochair is said like “OKH-ir” (IPA /ˈɔxəɾʲ/).

What is the plural of key in Irish?

The plural of eochair is eochracha; with the article, na heochracha means “the keys”. The genitive plural is eochracha, as in fáinne na n-eochracha (the key ring).

Does eochair have more than one meaning?

Yes. Eochair can mean key or clef, depending on context; the first is the most common.

Why does eochair sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an eochair (the key), a heochair (her key), a n-eochair (their key), na heochracha (the keys).

How do I say 'locked' using eochair?

Say 'faoi ghlas' for locked; 'cuir an eochair sa ghlas' means put the key in the lock.

Can eochair be used figuratively like English 'key'?

Yes, 'eochair an ratha' means the key to success, and 'eochairfhocal' means keyword.

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