HeyRua Get the app

Gearbox in Irish (Giarbhosca): Meaning, Pronunciation, Usage

The Irish for gearbox is giarbhosca, a masculine noun (plural giarbhoscaí).
Updated October 2026Report a mistake

How to say “gearbox” in Irish

Irish:
giarbhosca
English:
gearbox
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“GEER-wus-kuh”  /ˈɟiəɾˌwʊskə/
Various forms
Plural:
giarbhoscaí (gearboxes)
Genitive singular:
giarbhosca, an ghiarbhosca (e.g. ola an ghiarbhosca, gearbox oil)
Genitive plural:
giarbhoscaí, na ngiarbhoscaí (e.g. deisiú giarbhoscaí, repairing gearboxes)

What does “giarbhosca” mean?

gearbox
The part of a vehicle or machine that contains the gears and changes the speed and power sent from the engine to the wheels.Also: transmission, gear box.

“Giarbhosca” with the article

The plural of gearbox in Irish is giarbhoscaí. Here is giarbhosca after the article (an t-alt), in the singular and the plural.

an giarbhosca
the gearbox
No change after an
na giarbhoscaí
the gearboxes
Plural: no change after na

“Giarbhosca” in a sentence: Irish examples

Common Irish sentences using giarbhosca, the Irish word for gearbox.

Tá an giarbhosca briste sa charr.
The gearbox in the car is broken.
Bhí torann aisteach ag teacht ón ngiarbhosca.
A strange noise was coming from the gearbox.
Chosain giarbhosca nua a lán airgid.
A new gearbox cost a lot of money.
Theip ar mo ghiarbhosca ar an mbóthar mór.
My gearbox failed on the main road.
Deisíonn an meicneoir sin giarbhoscaí.
That mechanic repairs gearboxes.
Cuir tuilleadh ola sa ghiarbhosca.
Put more oil in the gearbox.
Seiceáladh leibhéal ola an ghiarbhosca inné.
The gearbox oil level was checked yesterday.

Other nouns in Irish

More everyday Irish nouns to learn next.

Gearbox in Irish: frequently asked questions

What is the Irish for gearbox?

The Irish for gearbox is giarbhosca (pronounced “GEER-wus-kuh”). It’s a masculine noun and the plural is giarbhoscaí.

How do you pronounce giarbhosca in Irish?

Giarbhosca is said like “GEER-wus-kuh” (IPA /ˈɟiəɾˌwʊskə/).

What is the plural of gearbox in Irish?

The plural of giarbhosca is giarbhoscaí; with the article, na giarbhoscaí means “the gearboxes”. The genitive plural is giarbhoscaí, as in deisiú giarbhoscaí (repairing gearboxes).

Why does giarbhosca change to ghiarbhosca or ngiarbhosca?

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

What is the word for a single gear?

A single gear is 'giar', so 'giarbhosca' is literally a 'gear box'; to change gear is 'giar a athrú'.

Learn Irish by
actually speaking it

Learn everyday Irish words like giarbhosca through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen