Silurian

adjective

Si·​lu·​ri·​an sī-ˈlu̇r-ē-ən 

sə-

1

: of or relating to the Silures or their place of habitation

2

: of, relating to, or being a period of the Paleozoic era between the Ordovician and Devonian or the corresponding system of rocks marked by numerous eurypterid crustaceans and the appearance of the first land plants see Geologic Time Table

Silurian noun

Word History

Etymology

Latin Silures

First Known Use

1708, in the meaning defined at sense 1

Kids Definition

Silurian

adjective

Si·​lu·​ri·​an sī-ˈlu̇r-ē-ən 

sə-

: of, relating to, or being a period of the Paleozoic era of geological history marked by the first appearance of land plants

also : relating to the corresponding system of rocks see geologic time

Silurian noun