Silurian, ca.
(Of thelat. )( Silures, name of a Celtic people who lived in the country of Wales, in Great Britain).
1. adj. Géol. Said of the third period of the Paleozoic era spanning from makes 440 million years ago to 408 million years ago, characterized by sedimentary lands first and the formation of the inland seas. U t. c. s. m.
OrRTOGR. ESCR. with may. initial c. s.
