ceithre

Numeral

 * 1) four

Usage notes

 * May be used with nouns in both the singular and plural; the singular is more common in general, but the plural must be used with units of measurement and the like. Triggers  of nouns in the singular and  of nouns in the plural.


 * When used with the definite article, the definite article is always in the plural. When used with adjectives, the adjective is also in the plural and is always lenited after nouns in the singular; after nouns in the plural, the adjective only lenites after slender consonants:
 * But:
 * But:
 * But:


 * When referring to human beings, the personal form is used.