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Buoy in Irish (Baoi): Meaning, Pronunciation, Usage

The Irish for buoy is baoi, a masculine noun (plural baoithe).
Updated October 2026Report a mistake

How to say “buoy” in Irish

Irish:
baoi
English:
buoy
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“bwee”  /bˠiː/
Various forms
Plural:
baoithe (buoys)
Genitive singular:
baoi, an bhaoi (e.g. suíomh an bhaoi, the position of the buoy)
Genitive plural:
baoithe, na mbaoithe (e.g. líne na mbaoithe, the line of the buoys)

What does “baoi” mean?

buoy
A floating object anchored in water to mark a channel, a hazard or a mooring place.Also: marker buoy, float, mooring buoy.

“Baoi” with the article

The plural of buoy in Irish is baoithe. Here is baoi after the article (an t-alt), in the singular and the plural.

an baoi
the buoy
No change after an
na baoithe
the buoys
Plural: no change after na

“Baoi” in a sentence: Irish examples

Common Irish sentences using baoi, the Irish word for buoy.

Tá baoi dearg ag béal an chuain.
There is a red buoy at the mouth of the harbour.
Cheangail sé an bád leis an mbaoi.
He tied the boat to the buoy.
Bhí faoileán ina sheasamh ar an mbaoi.
A seagull was standing on the buoy.
Taispeánann na baoithe an cainéal sábháilte.
The buoys show the safe channel.
Shnámh na páistí amach go dtí an baoi.
The children swam out to the buoy.
Bhí solas an bhaoi ag lasadh san oíche.
The buoy's light was flashing in the night.
Cuireadh baoithe nua sa chuan inné.
New buoys were placed in the harbour yesterday.

Other nouns in Irish

More everyday Irish nouns to learn next.

Buoy in Irish: frequently asked questions

What is the Irish for buoy?

The Irish for buoy is baoi (pronounced “bwee”). It’s a masculine noun and the plural is baoithe.

How do you pronounce baoi in Irish?

Baoi is said like “bwee” (IPA /bˠiː/).

What is the plural of buoy in Irish?

The plural of baoi is baoithe; with the article, na baoithe means “the buoys”. The genitive plural is baoithe, as in líne na mbaoithe (the line of the buoys).

Why does baoi change to bhaoi or mbaoi?

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

What is a lifebuoy in Irish?

A lifebuoy is 'baoi tarrthála', literally a rescue buoy.

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