aaron cri gyddfol

== Welsh == === Etymology === Literally, “aaron of a guttural cry”, to distinguish from a guillemot, also called aaron. === Noun === aaron cri gyddfol m razorbill (Alca torda) ==== Synonyms ==== llurs === Mutation === === Further reading === Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur‎[1], retrieved 12 June 2025.