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Cow in Irish (Bó): Meaning, Pronunciation, Usage

The Irish for cow is bó, a feminine noun (plural ba).
Updated October 2026Report a mistake

How to say “cow” in Irish

Irish:
bó
English:
cow
Word type:
noun
Gender:
feminine
Pronunciation:
“boh”  /bˠoː/
Various forms
Plural:
ba (cows)
Genitive singular:
bó, na bó (e.g. bainne na bó, the cow's milk)
Genitive plural:
bó, na mbó (e.g. crú na mbó, the milking of the cows)

What does “bó” mean?

cow
A large female farm animal kept for its milk and meat.Also: milch cow, cattle, heifer.

“Bó” with the article

The plural of cow in Irish is ba. Here is bó after the article (an t-alt), in the singular and the plural.

an bhó
the cow
Lenition: b becomes bh after an (feminine noun)
na ba
the cows
Plural: no change after na

“Bó” in a sentence: Irish examples

Common Irish sentences using bó, the Irish word for cow.

Tá bó dhubh sa pháirc.
There's a black cow in the field.
Crúim na ba gach maidin.
I milk the cows every morning.
Rug an bhó lao aréir.
The cow had a calf last night.
Tá eireaball na bó salach.
The cow's tail is dirty.
Chuir m'athair na ba isteach sa bhóitheach.
My father put the cows into the cowshed.
Díoladh mo bhó ar an aonach inné.
My cow was sold at the fair yesterday.
Tá fiche bó ag an bhfeirmeoir sin.
That farmer has twenty cows.

Other nouns in Irish

More everyday Irish nouns to learn next.

Cow in Irish: frequently asked questions

What is the Irish for cow?

The Irish for cow is bó (pronounced “boh”). It’s a feminine noun and the plural is ba.

How do you pronounce bó in Irish?

Bó is said like “boh” (IPA /bˠoː/).

What is the plural of cow in Irish?

The plural of bó is ba; with the article, na ba means “the cows”. The genitive plural is bó, as in crú na mbó (the milking of the cows).

Why does bó change to bhó or mbó?

Irish changes the start of some words after certain words. After mo (my) bó becomes mo bhó (lenition), and after ár (our) or i (in) it becomes ár mbó (eclipsis).

Why is the plural of 'bó' so different?

'Bó' has an irregular plural 'ba', so 'na ba' means 'the cows', while the genitive plural is 'na mbó', as in 'crú na mbó'.

Is there a general word for cattle?

Yes, 'eallach' means cattle or livestock in general, while 'bó' is a single cow.

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