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Projector in Irish (Teilgeoir): Meaning, Pronunciation, Usage

‘teilgeoir’ also means: thrower · caster

The Irish for projector is teilgeoir, a masculine noun (plural teilgeoirí).
Updated October 2026Report a mistake

How to say “projector” in Irish

Irish:
teilgeoir
English:
projector, thrower, caster
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“TEL-ig-yohr”  /ˈtʲɛlʲəɟoːɾʲ/
Various forms
Plural:
teilgeoirí (projectors)
Genitive singular:
teilgeora, an teilgeora (e.g. lionsa an teilgeora, the lens of the projector)
Genitive plural:
teilgeoirí, na dteilgeoirí (e.g. lionsaí na dteilgeoirí, the lenses of the projectors)

What does “teilgeoir” mean?

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

projector
A device that projects images, films or slides onto a screen.Also: slide projector, data projector, film projector.
2 other meanings: thrower or caster
2thrower
A person who throws or casts something, such as a pitcher or slinger.Also: pitcher, slinger, caster.
3caster
A person who casts metal or moulds things, a founder or moulder.Also: founder, moulder.

“Teilgeoir” with the article

The plural of projector in Irish is teilgeoirí. Here is teilgeoir after the article (an t-alt), in the singular and the plural.

an teilgeoir
the projector
No change after an
na teilgeoirí
the projectors
Plural: no change after na

“Teilgeoir” in a sentence: Irish examples

Common Irish sentences using teilgeoir, the Irish word for projector.

Cuir an teilgeoir ar siúl, le do thoil.
Turn on the projector, please.
Tá teilgeoir nua againn sa seomra ranga.
We have a new projector in the classroom.
Tá bolgán an teilgeora dóite.
The projector's bulb has burnt out.
Cheannaigh an scoil trí theilgeoir nua.
The school bought three new projectors.
Níl mo theilgeoir ag obair inniu.
My projector isn't working today.
Ceangail an ríomhaire leis an teilgeoir.
Connect the computer to the projector.
Bhí na teilgeoirí go léir in úsáid.
All the projectors were in use.

Other nouns in Irish

More everyday Irish nouns to learn next.

Projector in Irish: frequently asked questions

What is the Irish for projector?

The Irish for projector is teilgeoir (pronounced “TEL-ig-yohr”). It’s a masculine noun and the plural is teilgeoirí. Depending on context it can also mean thrower or caster.

How do you pronounce teilgeoir in Irish?

Teilgeoir is said like “TEL-ig-yohr” (IPA /ˈtʲɛlʲəɟoːɾʲ/).

What is the plural of projector in Irish?

The plural of teilgeoir is teilgeoirí; with the article, na teilgeoirí means “the projectors”. The genitive plural is teilgeoirí, as in lionsaí na dteilgeoirí (the lenses of the projectors).

Does teilgeoir have more than one meaning?

Yes. Teilgeoir can mean projector, thrower or caster, depending on context; the first is the most common.

Why does teilgeoir change to theilgeoir or dteilgeoir?

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

How do I say 'overhead projector' in Irish?

Use osteilgeoir; a data projector is teilgeoir sonraí.

Is teilgeoir related to the verb teilg?

Yes, it comes from teilg 'throw, cast, project', so teilgeoir is literally 'one that casts or projects'.

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