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Coaster in Irish (Cóstaer): Meaning, Pronunciation, Usage

The Irish for coaster is cóstaer, a masculine noun (plural cóstaeirí).
Updated October 2026Report a mistake

How to say “coaster” in Irish

Irish:
cóstaer
English:
coaster
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KOHS-tair”  /ˈkoːst̪ˠeːɾʲ/
Various forms
Plural:
cóstaeirí (coasters)
Genitive singular:
cóstaeir, an chóstaeir (e.g. dromchla an chóstaeir, the surface of the coaster)
Genitive plural:
cóstaeirí, na gcóstaeirí (e.g. paca cóstaeirí, a pack of coasters)

What does “cóstaer” mean?

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

coaster
A small mat placed under a glass or cup to protect a table.Also: drinks mat, beer mat, table mat.
1 other meaning:
2coaster
A ship that carries goods along the coast from port to port.Also: coastal ship, coasting vessel.

“Cóstaer” with the article

The plural of coaster in Irish is cóstaeirí. Here is cóstaer after the article (an t-alt), in the singular and the plural.

an cóstaer
the coaster
No change after an
na cóstaeirí
the coasters
Plural: no change after na

“Cóstaer” in a sentence: Irish examples

Common Irish sentences using cóstaer, the Irish word for coaster.

Cuir cóstaer faoin ngloine, le do thoil.
Put a coaster under the glass, please.
Tá an cóstaer fliuch anois.
The coaster is wet now.
Cheannaigh mé cóstaeirí nua don seomra suí.
I bought new coasters for the sitting room.
Tá pictiúr de chapall ar mo chóstaer.
There is a picture of a horse on my coaster.
Bhí an cóstaer faoin gcupán ar an mbord.
The coaster was under the cup on the table.
Tháinig cóstaer isteach sa chuan ar maidin.
A coaster came into the harbour this morning.
Níl aon chóstaeirí fágtha sa tarraiceán.
There are no coasters left in the drawer.

Other nouns in Irish

More everyday Irish nouns to learn next.

Coaster in Irish: frequently asked questions

What is the Irish for coaster?

The Irish for coaster is cóstaer (pronounced “KOHS-tair”). It’s a masculine noun and the plural is cóstaeirí.

How do you pronounce cóstaer in Irish?

Cóstaer is said like “KOHS-tair” (IPA /ˈkoːst̪ˠeːɾʲ/).

What is the plural of coaster in Irish?

The plural of cóstaer is cóstaeirí; with the article, na cóstaeirí means “the coasters”. The genitive plural is cóstaeirí, as in paca cóstaeirí (a pack of coasters).

Why does cóstaer change to chóstaer or gcóstaer?

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

Does 'cóstaer' mean the mat for drinks or a ship?

It can mean both: a mat under a glass, and a coastal cargo ship. Context makes it clear, e.g. 'cóstaer faoin gcupán' versus 'cóstaer sa chuan'.

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