pidyn y gog

== Welsh == === Etymology === Literally: “the cuckoo's penis”. === Noun === pidyn y gog m (plural pidynnau'r cogau) cuckoopint, lords-and-ladies (Arum maculatum) ==== Synonyms ==== ==== Mutation ==== === Further reading === Cymdeithas Edward Llwyd (2018), “Y Bywiadur”, in Llên natur‎[1], retrieved 24 October 2025. R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “pidyn y gog”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies