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Strait in Irish (Caoluisce): Meaning, Pronunciation, Usage

‘caoluisce’ also means: shallow water

The Irish for strait is caoluisce, a masculine noun (plural caoluiscí).
Updated October 2026Report a mistake

How to say “strait” in Irish

Irish:
caoluisce
English:
strait, shallow water
Word type:
noun
Gender:
masculine
Pronunciation:
“KWEEL-ish-kyuh”  /ˈkiːlˌɪʃcə/
Various forms
Plural:
caoluiscí (straits)
Genitive singular:
caoluisce, an chaoluisce (e.g. ag béal an chaoluisce, at the mouth of the strait)
Genitive plural:
caoluiscí, na gcaoluiscí (e.g. léarscáil na gcaoluiscí, the map of the straits)

What does “caoluisce” mean?

“Caoluisce” has two alternative meanings. The most common comes first.

strait
A narrow stretch of sea or water connecting two larger bodies of water.Also: sound, narrows, channel.
1 other meaning: shallow water
2shallow water
Thin, shallow water, for example at the edge of a lake or the shore.Also: shallows.

“Caoluisce” with the article

The plural of strait in Irish is caoluiscí. Here is caoluisce after the article (an t-alt), in the singular and the plural.

an caoluisce
the strait
No change after an
na caoluiscí
the straits
Plural: no change after na

“Caoluisce” in a sentence: Irish examples

Common Irish sentences using caoluisce, the Irish word for strait.

Tá caoluisce idir an t-oileán agus an mórthír.
There is a strait between the island and the mainland.
Thrasnaigh an bád an caoluisce go tapa.
The boat crossed the strait quickly.
Bíonn an sruth láidir sa chaoluisce.
The current is strong in the strait.
Shnámh sí trasna an chaoluisce anuraidh.
She swam across the strait last year.
Tá go leor caoluiscí timpeall chósta na hAlban.
There are many straits around the coast of Scotland.
Chonaiceamar rónta i gcaoluisce cúng.
We saw seals in a narrow strait.
Is contúirteach an caoluisce sin i stoirm.
That strait is dangerous in a storm.

Other nouns in Irish

More everyday Irish nouns to learn next.

Strait in Irish: frequently asked questions

What is the Irish for strait?

The Irish for strait is caoluisce (pronounced “KWEEL-ish-kyuh”). It’s a masculine noun and the plural is caoluiscí. Depending on context it can also mean shallow water.

How do you pronounce caoluisce in Irish?

Caoluisce is said like “KWEEL-ish-kyuh” (IPA /ˈkiːlˌɪʃcə/).

What is the plural of strait in Irish?

The plural of caoluisce is caoluiscí; with the article, na caoluiscí means “the straits”. The genitive plural is caoluiscí, as in léarscáil na gcaoluiscí (the map of the straits).

Does caoluisce have more than one meaning?

Yes. Caoluisce can mean strait or shallow water, depending on context; the first is the most common.

Why does caoluisce change to chaoluisce or gcaoluisce?

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

How is 'caoluisce' formed?

It combines 'caol' (narrow) and 'uisce' (water), so literally 'narrow water'. 'Caolas' is a similar word also used for a strait or sound.

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