TORTHAÍ
IN ENGLISH—IRISH DICTIONARY
seventh, 1 num.a. & s. (An) seachtú (ceann, bean, etc.). To be in the seventh heaven (of delight), bheith sa ghlóire. 2 s. a (Fractional) Seachtú f, (an) seachtú cuid. b Mus: Seachtach m. ► seventhly, adv. Sa seachtú háit.
ABAIRTÍ
IN ENGLISH—IRISH DICTIONARY
Diminished seventh, seachtach laghdaithe.
Dominant seventh, seachtach ceannasaigh.
(On) the first, the seventh, of January, ar an gcéad, an seachtú, lá d'Eanáir.