Silurian

si-lū′ri-an, adj. belonging to Siluria, the country of the Silures , the ancient inhabitants of the south-eastern part of South Wales: applied by Murchison in 1835 to a series of rocks well developed in the country of the Silures, a subdivision of the Palæozoic, containing hardly any vertebrates and land plants.— adjs. Silū′rid an , Silū′rine , Silū′roid .— ns. Silū′rist , a Silurian, a name applied to the poet Henry Vaughan (1621-95); Silū′rus , Silūre′ , the typical genus of Siluridæ , a family of physostomous fishes—the cat-fishes, .