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Flask in Irish (Fleascán): Meaning, Pronunciation, Usage

‘fleascán’ also means: flask (laboratory)

The Irish for flask is fleascán, a masculine noun (plural fleascáin).
Updated October 2026Report a mistake

How to say “flask” in Irish

Irish:
fleascán
English:
flask, flask (laboratory)
Word type:
noun
Gender:
masculine
Pronunciation:
“FLASS-kawn”  /ˈfʲlʲaskɑːn/
Various forms
Plural:
fleascáin (flasks)
Genitive singular:
fleascáin, an fhleascáin (e.g. claibín an fhleascáin, the lid of the flask)
Genitive plural:
fleascán, na bhfleascán (e.g. claibíní na bhfleascán, the lids of the flasks)

What does “fleascán” mean?

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

flask
A small bottle or container for carrying a drink, such as a hip flask or a vacuum flask.Also: hip flask, vacuum flask, thermos.
1 other meaning: flask (laboratory)
2flask (laboratory)
A glass vessel with a narrow neck used in a laboratory.Also: flask, laboratory flask, conical flask.

Other Irish words for flask: buidéal (bottle), fleasc (flask), flaigín (flask)

“Fleascán” with the article

The plural of flask in Irish is fleascáin. Here is fleascán after the article (an t-alt), in the singular and the plural.

an fleascán
the flask
No change after an
na fleascáin
the flasks
Plural: no change after na

“Fleascán” in a sentence: Irish examples

Common Irish sentences using fleascán, the Irish word for flask.

Thug sé fleascán tae leis chuig an obair.
He brought a flask of tea to work.
Tá an fleascán folamh anois.
The flask is empty now.
Cuir an bainne te sa fhleascán.
Put the hot milk in the flask.
Bhí caife te i mo fhleascán.
There was hot coffee in my flask.
Bhris mé claibín an fhleascáin ar maidin.
I broke the lid of the flask this morning.
Tá fleascáin nua sa siopa.
There are new flasks in the shop.
Líon sí an fleascán le huisce.
She filled the flask with water.

Other nouns in Irish

More everyday Irish nouns to learn next.

Flask in Irish: frequently asked questions

What is the Irish for flask?

The Irish for flask is fleascán (pronounced “FLASS-kawn”). It’s a masculine noun and the plural is fleascáin. Depending on context it can also mean flask (laboratory).

How do you pronounce fleascán in Irish?

Fleascán is said like “FLASS-kawn” (IPA /ˈfʲlʲaskɑːn/).

What is the plural of flask in Irish?

The plural of fleascán is fleascáin; with the article, na fleascáin means “the flasks”. The genitive plural is fleascán, as in claibíní na bhfleascán (the lids of the flasks).

Does fleascán have more than one meaning?

Yes. Fleascán can mean flask or flask (laboratory), depending on context; the first is the most common.

Why does fleascán change to fhleascán or bhfleascán?

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

What is the difference between fleascán and buidéal?

A buidéal is any bottle, while a fleascán is a flask, usually one for carrying a drink, such as fleascán tae.

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