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Back of the knee in Irish (Ioscaid): Meaning, Pronunciation, Usage

The Irish for back of the knee is ioscaid, a feminine noun (plural ioscaidí).
Updated October 2026Report a mistake

How to say “back of the knee” in Irish

Irish:
ioscaid
English:
back of the knee
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“IS-kidj”  /ˈɪskədʲ/
Various forms
Plural:
ioscaidí (backs of the knee)
Genitive singular:
ioscaide, na hioscaide (e.g. pian na hioscaide, pain in the back of the knee)
Genitive plural:
ioscaidí, na n-ioscaidí (e.g. matáin na n-ioscaidí, the muscles behind the knees)

What does “ioscaid” mean?

back of the knee
The hollow at the back of the knee, behind the knee joint.Also: hollow of the knee, ham, hamstring area, popliteal fossa.

“Ioscaid” with the article

The plural of back of the knee in Irish is ioscaidí. Here is ioscaid after the article (an t-alt), in the singular and the plural.

an ioscaid
the back of the knee
No change: feminine nouns starting with a vowel keep their form after an
na hioscaidí
the backs of the knee
Plural: na adds h before a vowel

“Ioscaid” in a sentence: Irish examples

Common Irish sentences using ioscaid, the Irish word for back of the knee.

Tá pian i m'ioscaid ó mhaidin.
I've had a pain behind my knee since morning.
Ghortaigh sé a ioscaid agus é ag rith.
He hurt the back of his knee while running.
Bhí an t-uisce suas go dtí na hioscaidí aige.
The water was up to the backs of his knees.
Tá an ioscaid ata go mór.
The back of the knee is very swollen.
Chuir an dochtúir bindealán ar an ioscaid.
The doctor put a bandage on the back of the knee.
Bhí craiceann na hioscaide tinn tar éis na gréine.
The skin behind the knee was sore after the sun.
Bhuail an liathróid é san ioscaid.
The ball hit him behind the knee.

Other nouns in Irish

More everyday Irish nouns to learn next.

Back of the knee in Irish: frequently asked questions

What is the Irish for back of the knee?

The Irish for back of the knee is ioscaid (pronounced “IS-kidj”). It’s a feminine noun and the plural is ioscaidí.

How do you pronounce ioscaid in Irish?

Ioscaid is said like “IS-kidj” (IPA /ˈɪskədʲ/).

What is the plural of back of the knee in Irish?

The plural of ioscaid is ioscaidí; with the article, na hioscaidí means “the backs of the knee”. The genitive plural is ioscaidí, as in matáin na n-ioscaidí (the muscles behind the knees).

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

Irish nouns beginning with a vowel take a prefix after certain words: an ioscaid (the back of the knee), a hioscaid (her back of the knee), a n-ioscaid (their back of the knee), na hioscaidí (the backs of the knee).

Is 'ioscaid' the same as 'glúin'?

No. 'Glúin' is the knee itself, while 'ioscaid' is the hollow at the back of the knee.

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