umaréasc

== Irish == === Etymology === From umar (“trough”) +‎ éasc (“fault”). === Noun === umaréasc m (genitive singular umaréisc, nominative plural umaréisc) (geology) trough fault ==== Declension ==== === Mutation === === Further reading === Ó Dónaill, Niall (1977), “umaréasc”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN