Definition of Gaeltacht in US English:

Gaeltacht

proper noun

the Gaeltacht
  • Regions in Ireland, primarily the western coast, where the vernacular language is Irish.

Origin

Irish, earlier Gaedhealtacht, from Gaedheal ‘Gael’ + tacht ‘talk, speech’.

Pronunciation

Gaeltacht

/ˈɡāltəKHt/