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Tunnel in Irish (Tollán): Meaning, Pronunciation, Usage

The Irish for tunnel is tollán, a masculine noun (plural tolláin).
Updated October 2026Report a mistake

How to say “tunnel” in Irish

Irish:
tollán
English:
tunnel
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“TUL-awn”  /t̪ˠʊl̪ˠɑːnˠ/
Various forms
Plural:
tolláin (tunnels)
Genitive singular:
tolláin, an tolláin (e.g. béal an tolláin, mouth of the tunnel)
Genitive plural:
tollán, na dtollán (e.g. tógáil na dtollán, the building of the tunnels)

What does “tollán” mean?

tunnel
An underground or underwater passage, especially one built for a road or railway.Also: underground passage, railway tunnel, road tunnel.

“Tollán” with the article

The plural of tunnel in Irish is tolláin. Here is tollán after the article (an t-alt), in the singular and the plural.

an tollán
the tunnel
No change after an
na tolláin
the tunnels
Plural: no change after na

“Tollán” in a sentence: Irish examples

Common Irish sentences using tollán, the Irish word for tunnel.

Chuaigh an traein isteach sa tollán.
The train went into the tunnel.
Tá tollán nua á thógáil faoin gcathair.
A new tunnel is being built under the city.
Bhí sé dorcha istigh i lár an tolláin.
It was dark in the middle of the tunnel.
Tá go leor tollán sna sléibhte sin.
There are many tunnels in those mountains.
Bhí trácht trom sa tollán ar maidin.
There was heavy traffic in the tunnel this morning.
Thochail na coiníní tollán faoin gclaí.
The rabbits dug a tunnel under the ditch.
Cá fhad atá an tollán seo?
How long is this tunnel?

Other nouns in Irish

More everyday Irish nouns to learn next.

Tunnel in Irish: frequently asked questions

What is the Irish for tunnel?

The Irish for tunnel is tollán (pronounced “TUL-awn”). It’s a masculine noun and the plural is tolláin.

How do you pronounce tollán in Irish?

Tollán is said like “TUL-awn” (IPA /t̪ˠʊl̪ˠɑːnˠ/).

What is the plural of tunnel in Irish?

The plural of tollán is tolláin; with the article, na tolláin means “the tunnels”. The genitive plural is tollán, as in tógáil na dtollán (the building of the tunnels).

Why does tollán change to thollán or dtollán?

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

Is 'tollán' related to 'poll'?

It comes from the verb 'toll' (to bore, pierce), which also gives 'toll' (hole); 'poll' is a general word for a hole, while 'tollán' is a passage through or under something.

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