adj.
Pronunciation: di- ' v ō -n ē - ə n
Function: adjective
Etymology: Devon, England
Date: 1612
1 : of or relating to Devonshire, England
2 : of, relating to, or being the period of the Paleozoic era between the Silurian and the Mississippian or the corresponding system of rocks ― see GEOLOGIC TIME table
– Devonian noun