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Cap in Irish (Caipín): Meaning, Pronunciation, Usage

‘caipín’ also means: lid · crest

The Irish for cap is caipín, a masculine noun (plural caipíní).
Updated October 2026Report a mistake

How to say “cap” in Irish

Irish:
caipín
English:
cap, lid, crest
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“KAP-een”  /ˈkapʲiːnʲ/
Various forms
Plural:
caipíní (caps)
Genitive singular:
caipín, an chaipín (e.g. dath an chaipín, the colour of the cap)
Genitive plural:
caipíní, na gcaipíní (e.g. siopa caipíní, a cap shop)

What does “caipín” mean?

“Caipín” has three alternative meanings. The most common comes first.

cap
A soft head covering, often with a peak, worn on the head.Also: hat, peaked cap, beanie.
2 other meanings: lid or crest
2lid
A small cover or top that closes a bottle, pen or container.Also: top, cap, bottle cap.
3crest
The white top of a breaking wave, or the tip or top of something.Also: tip, top, whitecap.

Other Irish words for cap: hata (hat), boinéad (bonnet), bairéad (cap), claibín (lid)

“Caipín” with the article

The plural of cap in Irish is caipíní. Here is caipín after the article (an t-alt), in the singular and the plural.

an caipín
the cap
No change after an
na caipíní
the caps
Plural: no change after na

“Caipín” in a sentence: Irish examples

Common Irish sentences using caipín, the Irish word for cap.

Bain díot do chaipín.
Take off your cap.
Cheannaigh mé caipín nua inné.
I bought a new cap yesterday.
Tá an caipín ar an mbord.
The cap is on the table.
Cuir an caipín ar ais ar an mbuidéal.
Put the lid back on the bottle.
Chaill mé mo chaipín sa pháirc.
I lost my cap in the park.
Bhí caipíní dearga ar na páistí go léir.
All the children were wearing red caps.
Tá speic an chaipín ag cosaint mo shúl.
The peak of the cap is shading my eyes.

Other nouns in Irish

More everyday Irish nouns to learn next.

Cap in Irish: frequently asked questions

What is the Irish for cap?

The Irish for cap is caipín (pronounced “KAP-een”). It’s a masculine noun and the plural is caipíní. Depending on context it can also mean lid or crest.

How do you pronounce caipín in Irish?

Caipín is said like “KAP-een” (IPA /ˈkapʲiːnʲ/).

What is the plural of cap in Irish?

The plural of caipín is caipíní; with the article, na caipíní means “the caps”. The genitive plural is caipíní, as in siopa caipíní (a cap shop).

Does caipín have more than one meaning?

Yes. Caipín can mean cap, lid or crest, depending on context; the first is the most common.

Why does caipín change to chaipín or gcaipín?

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

What is the difference between caipín and hata?

A caipín is a cap, usually soft and often peaked, while a hata is a hat with a crown and brim. In everyday speech caipín is also used for a lid, as in caipín buidéil.

Can caipín mean the top of a pen or bottle?

Yes, caipín is used for small screw or push-on tops, for example caipín an phinn, though claibín is also common for a lid.

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