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Reservoir in Irish (Taiscumar): Meaning, Pronunciation, Usage

‘taiscumar’ also means: tank

The Irish for reservoir is taiscumar, a masculine noun (plural taiscumair).
Updated October 2026Report a mistake

How to say “reservoir” in Irish

Irish:
taiscumar
English:
reservoir, tank
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“TASH-kum-ur”  /ˈt̪ˠaʃkʊməɾˠ/
Various forms
Plural:
taiscumair (reservoirs)
Genitive singular:
taiscumair, an taiscumair (e.g. leibhéal an taiscumair, the level of the reservoir)
Genitive plural:
taiscumar, na dtaiscumar (e.g. tógáil na dtaiscumar, the building of the reservoirs)

What does “taiscumar” mean?

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

reservoir
A large natural or artificial lake where water is collected and stored, especially for supplying a town.Also: water reservoir, storage lake.
1 other meaning: tank
2tank
A container or chamber in which a liquid or gas is stored, as in a machine or system.Also: storage tank, reservoir.

“Taiscumar” with the article

The plural of reservoir in Irish is taiscumair. Here is taiscumar after the article (an t-alt), in the singular and the plural.

an taiscumar
the reservoir
No change after an
na taiscumair
the reservoirs
Plural: no change after na

“Taiscumar” in a sentence: Irish examples

Common Irish sentences using taiscumar, the Irish word for reservoir.

Tá taiscumar mór in aice leis an mbaile.
There is a big reservoir near the town.
Bhí an taiscumar beagnach folamh i rith an tsamhraidh.
The reservoir was nearly empty during the summer.
Thit leibhéal an taiscumair go mór.
The level of the reservoir dropped a lot.
Tagann uisce na cathrach ó dhá thaiscumar.
The city's water comes from two reservoirs.
Tógadh na taiscumair sin céad bliain ó shin.
Those reservoirs were built a hundred years ago.
Ní cheadaítear snámh sa taiscumar.
Swimming is not allowed in the reservoir.
Tá go leor éisc i dtaiscumar an ghleanna.
There are plenty of fish in the valley reservoir.

Other nouns in Irish

More everyday Irish nouns to learn next.

Reservoir in Irish: frequently asked questions

What is the Irish for reservoir?

The Irish for reservoir is taiscumar (pronounced “TASH-kum-ur”). It’s a masculine noun and the plural is taiscumair. Depending on context it can also mean tank.

How do you pronounce taiscumar in Irish?

Taiscumar is said like “TASH-kum-ur” (IPA /ˈt̪ˠaʃkʊməɾˠ/).

What is the plural of reservoir in Irish?

The plural of taiscumar is taiscumair; with the article, na taiscumair means “the reservoirs”. The genitive plural is taiscumar, as in tógáil na dtaiscumar (the building of the reservoirs).

Does taiscumar have more than one meaning?

Yes. Taiscumar can mean reservoir or tank, depending on context; the first is the most common.

Why does taiscumar change to thaiscumar or dtaiscumar?

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

How is 'taiscumar' different from 'umar'?

'Umar' is a general word for a tank or trough, while 'taiscumar' (from 'taisc', store, plus 'umar') is the usual word for a reservoir storing water.

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