HeyRua Get the app

Cumulus in Irish (Cumalas): Meaning, Pronunciation, Usage

The Irish for cumulus is cumalas, a masculine noun (plural cumalais).
Updated October 2026Report a mistake

How to say “cumulus” in Irish

Irish:
cumalas
English:
cumulus
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KUM-uh-lus”  /ˈkʊmˠəl̪ˠəsˠ/
Various forms
Plural:
cumalais (cumuluses)
Genitive singular:
cumalais, an chumalais (e.g. cruth an chumalais, the shape of the cumulus)
Genitive plural:
cumalas, na gcumalas (e.g. grianghraif de scamaill chumalas, photographs of cumulus clouds)

What does “cumalas” mean?

cumulus
A type of fluffy, heaped white cloud with a flat base, often seen in fine weather.Also: cumulus cloud, heap cloud, cloud.

“Cumalas” with the article

The plural of cumulus in Irish is cumalais. Here is cumalas after the article (an t-alt), in the singular and the plural.

an cumalas
the cumulus
No change after an
na cumalais
the cumuluses
Plural: no change after na

“Cumalas” in a sentence: Irish examples

Common Irish sentences using cumalas, the Irish word for cumulus.

Is cineál scamaill é an cumalas.
Cumulus is a type of cloud.
Bhí cumalas bán os cionn na gcnoc.
There was white cumulus above the hills.
Tá bun cothrom ar an gcumalas de ghnáth.
Cumulus usually has a flat base.
Chonaiceamar cumalais mhóra sa spéir tráthnóna.
We saw big cumulus clouds in the sky this evening.
D'fhoghlaim mé faoin gcumalas sa rang tíreolaíochta.
I learned about cumulus in geography class.
Is comhartha aimsire breá é dath bán an chumalais.
The white colour of the cumulus is a sign of fine weather.
Uaireanta fásann cumalas ina scamall báistí.
Sometimes cumulus grows into a rain cloud.

Other nouns in Irish

More everyday Irish nouns to learn next.

Cumulus in Irish: frequently asked questions

What is the Irish for cumulus?

The Irish for cumulus is cumalas (pronounced “KUM-uh-lus”). It’s a masculine noun and the plural is cumalais.

How do you pronounce cumalas in Irish?

Cumalas is said like “KUM-uh-lus” (IPA /ˈkʊmˠəl̪ˠəsˠ/).

What is the plural of cumulus in Irish?

The plural of cumalas is cumalais; with the article, na cumalais means “the cumuluses”. The genitive plural is cumalas, as in grianghraif de scamaill chumalas (photographs of cumulus clouds).

Why does cumalas change to chumalas or gcumalas?

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

Is 'cumalas' an everyday word for cloud?

No, 'cumalas' is the technical term for cumulus; the everyday words for a cloud are 'scamall' and 'néal'.

Learn Irish by
actually speaking it

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

7-day free trial. Cancel anytime.

The HeyRua app home screen