HeyRua Get the app

Heat in Irish (Dáir): Meaning, Pronunciation, Usage

The Irish for heat is dáir, a feminine noun (plural dáracha).
Updated October 2026Report a mistake

How to say “heat” in Irish

Irish:
dáir
English:
heat
Word type:
noun
Gender:
feminine
Pronunciation:
“dawr”  /d̪ˠɑːɾʲ/
Various forms
Plural:
dáracha (heats)
Genitive singular:
dárach, na dárach (e.g. comharthaí dárach, signs of heat)
Genitive plural:
dáracha, na ndáracha (e.g. tréimhse na ndáracha, the heat periods)

What does “dáir” mean?

heat
The state of a cow (or other female animal) being ready to mate.Also: oestrus, rut, mating season, in heat.

Other Irish words for heat: teas (heat), teaspach (heat), brothall (heat)

“Dáir” with the article

The plural of heat in Irish is dáracha. Here is dáir after the article (an t-alt), in the singular and the plural.

an dáir
the heat
No change: d and t are not lenited after an
na dáracha
the heats
Plural: no change after na

“Dáir” in a sentence: Irish examples

Common Irish sentences using dáir, the Irish word for heat.

Tá an bhó ar dáir inniu.
The cow is in heat today.
Chuaigh an bhó dhubh ar dáir aréir.
The black cow came into heat last night.
Ní fhaca mé aon chomharthaí dárach fós.
I haven't seen any signs of heat yet.
Bíonn an dáir ar an mbó gach trí seachtaine.
The cow comes into heat every three weeks.
Coinnigh súil ar na ba ar dáir.
Keep an eye on the cows in heat.
Is deacair an dáir a aithint sa gheimhreadh.
Heat is hard to detect in winter.
Tháinig an tréidlia nuair a bhí an bhó ar dáir.
The vet came when the cow was in heat.

Other nouns in Irish

More everyday Irish nouns to learn next.

Heat in Irish: frequently asked questions

What is the Irish for heat?

The Irish for heat is dáir (pronounced “dawr”). It’s a feminine noun and the plural is dáracha.

How do you pronounce dáir in Irish?

Dáir is said like “dawr” (IPA /d̪ˠɑːɾʲ/).

What is the plural of heat in Irish?

The plural of dáir is dáracha; with the article, na dáracha means “the heats”. The genitive plural is dáracha, as in tréimhse na ndáracha (the heat periods).

Why does dáir change to dháir or ndáir?

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

How do I say a cow is in heat?

Say 'tá an bhó ar dáir'. For other animals words like 'adhall' (bitch) or 'clíth' (sow) are used.

Learn Irish by
actually speaking it

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

7-day free trial. Cancel anytime.

The HeyRua app home screen