See also: urlár and ùrlar Etymology Borrowed from Scottish Gaelic ùrlar (“floor”). Noun urlar (plural urlars) (music) The base theme of a piece of classical bagpipe music. 2012, Hannah Rosefield, “Piping Up”, in Literary Review, section 401:The opening theme of a piobaireachd is called the Urlar, or ‘ground’ – the territory on which the whole composition stands. Anagrams rural Noun urlar n Alternative spelling of urlár