llau'r offeiriad

== Welsh == === Etymology === llau (“lice”) + offeiriad (“priest”). === Noun === llau'r offeiriad (plural, singular lleuen yr offeiriad f) cleavers, sticky willy (Galium aparine) ==== Synonyms ==== === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “llau'r offeiriad”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies