llus y brain

== Welsh == === Etymology === Literally, “bilberries of the crows”. === Noun === llus y brain (plural, singular llusen y brain f) crowberries (Empetrum nigrum) Synonym: creiglus === Mutation === === References === Cymdeithas Edward Llwyd (2003), Planhigion Blodeuol, Conwydd a Rhedyn [Flowering Plants, Conifers and Ferns] (Cyfres Enwau Creaduriaid a Planhigion; 2)‎[1] (in Welsh), Llanrwst: Gwasg Carreg Gwalch, →ISBN, page 26‎[2]