Definition from Wiktionary, the free dictionary
- (geology) Of a geologic period within the Paleozoic era; comprises the Llandovery, Wenlock, Ludlow and Pridoli epochs from about 439 to 409 million years ago.
- (archaeology) Of or related to the Silures, a pre-Roman British tribe.
of period from 439 to 409 million years ago
- (geology) The Silurian period.