bwa'r glaw

== Welsh == === Alternative forms === bwa glaw === Etymology === Literally, “bow of the rain”. === Noun === bwa'r glaw m (plural bwâu'r glaw) rainbow ==== Synonyms ==== === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “bwar glaw”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies