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Canine tooth in Irish (Casfhiacail): Meaning, Pronunciation, Usage

The Irish for canine tooth is casfhiacail, a feminine noun (plural casfhiacla).
Updated October 2026Report a mistake

How to say “canine tooth” in Irish

Irish:
casfhiacail
English:
canine tooth
Word type:
noun
Gender:
feminine
Pronunciation:
“KOSS-ee-uh-kil”  /ˈkasˌiəkəlʲ/
Various forms
Plural:
casfhiacla (canine teeth)
Genitive singular:
casfhiacaile, na casfhiacaile (e.g. fréamh na casfhiacaile, the root of the canine tooth)
Genitive plural:
casfhiacla, na gcasfhiacla (e.g. fad na gcasfhiacla, the length of the canine teeth)

What does “casfhiacail” mean?

canine tooth
One of the pointed teeth between the incisors and the premolars, also called an eye tooth.Also: canine, eye tooth, eyetooth, cuspid.

“Casfhiacail” with the article

The plural of canine tooth in Irish is casfhiacla. Here is casfhiacail after the article (an t-alt), in the singular and the plural.

an chasfhiacail
the canine tooth
Lenition: c becomes ch after an (feminine noun)
na casfhiacla
the canine teeth
Plural: no change after na

“Casfhiacail” in a sentence: Irish examples

Common Irish sentences using casfhiacail, the Irish word for canine tooth.

Tá casfhiacail fhada ag an madra sin.
That dog has a long canine tooth.
Bhris mé mo chasfhiacail ag ithe cnó.
I broke my canine tooth eating a nut.
Bhain an fiaclóir an chasfhiacail inné.
The dentist took out the canine tooth yesterday.
Tá ceithre chasfhiacail ag duine fásta.
An adult has four canine teeth.
Tá pian i mo chasfhiacail ó mhaidin.
I've had a pain in my canine tooth since morning.
Bhí casfhiacla géara ag an mac tíre.
The wolf had sharp canine teeth.
Tá poll i mbarr na casfhiacaile.
There is a hole at the tip of the canine tooth.

Other nouns in Irish

More everyday Irish nouns to learn next.

Canine tooth in Irish: frequently asked questions

What is the Irish for canine tooth?

The Irish for canine tooth is casfhiacail (pronounced “KOSS-ee-uh-kil”). It’s a feminine noun and the plural is casfhiacla.

How do you pronounce casfhiacail in Irish?

Casfhiacail is said like “KOSS-ee-uh-kil” (IPA /ˈkasˌiəkəlʲ/).

What is the plural of canine tooth in Irish?

The plural of casfhiacail is casfhiacla; with the article, na casfhiacla means “the canine teeth”. The genitive plural is casfhiacla, as in fad na gcasfhiacla (the length of the canine teeth).

Why does casfhiacail change to chasfhiacail or gcasfhiacail?

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

How does 'casfhiacail' relate to 'fiacail'?

It is 'cas' (twisted, pointed) plus 'fiacail' (tooth), so it means canine or eye tooth, while 'cúlfhiacail' is a molar and 'clárfhiacail' an incisor.

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