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Lock in Irish (Dual): Meaning, Pronunciation, Usage

‘dual’ also means: strand · coil

The Irish for lock is dual, a masculine noun (plural duail).
Updated October 2026Report a mistake

How to say “lock” in Irish

Irish:
dual
English:
lock, strand, coil
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“doo-ul”  /d̪ˠuəlˠ/
Various forms
Plural:
duail (locks)
Genitive singular:
duail, an duail (e.g. fad an duail, the length of the lock)
Genitive plural:
dual, na ndual (e.g. fad na ndual, the length of the locks)

What does “dual” mean?

“Dual” has three alternative meanings. The most common comes first.

lock
A lock or tress of hair, often curled or twisted.Also: tress, curl, ringlet.
2 other meanings: strand or coil
2strand
A single strand or ply of a rope, thread or yarn.Also: ply, twist, twine.
3coil
A coil, spiral or twisted shape, such as a scroll in a design.Also: spiral, whorl, scroll.

Other Irish words for lock: glas (lock), glasáil (lock)

“Dual” with the article

The plural of lock in Irish is duail. Here is dual after the article (an t-alt), in the singular and the plural.

an dual
the lock
No change after an
na duail
the locks
Plural: no change after na

“Dual” in a sentence: Irish examples

Common Irish sentences using dual, the Irish word for lock.

Bhí dual gruaige ag titim thar a súil.
A lock of hair was falling over her eye.
Ghearr sí an dual le siosúr.
She cut the lock with scissors.
Tá duail fhada chatacha uirthi.
She has long curly locks.
Choinnigh a máthair dual dá gruaig mar chuimhneachán.
Her mother kept a lock of her hair as a keepsake.
Tá trí dhual sa rópa seo.
This rope has three strands.
Bhí dual liath ina cuid gruaige.
There was a grey lock in her hair.
Chas sé na duail le chéile go docht.
He twisted the strands tightly together.

Other nouns in Irish

More everyday Irish nouns to learn next.

Lock in Irish: frequently asked questions

What is the Irish for lock?

The Irish for lock is dual (pronounced “doo-ul”). It’s a masculine noun and the plural is duail. Depending on context it can also mean strand or coil.

How do you pronounce dual in Irish?

Dual is said like “doo-ul” (IPA /d̪ˠuəlˠ/).

What is the plural of lock in Irish?

The plural of dual is duail; with the article, na duail means “the locks”. The genitive plural is dual, as in fad na ndual (the length of the locks).

Does dual have more than one meaning?

Yes. Dual can mean lock, strand or coil, depending on context; the first is the most common.

Why does dual change to dhual or ndual?

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

Is 'dual' the same as English 'dual'?

No, it is a false friend: Irish 'dual' means a lock of hair or a strand. A separate word 'dual' also appears in 'is dual dó', meaning it is natural or hereditary for him.

What is the difference between 'dual' and 'trilseán'?

A 'dual' is a lock or strand, while a 'trilseán' is a plait made of several strands.

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