—adj.
1 of or relating to Devon in SW England.
2 Geol. of or relating to the fourth period of the Palaeozoic era with evidence of the first amphibians and tree forests.
Usage:
Cf. Appendix II.
—n.
1 this period or system.
2 a native of Devon.
Etymology: med.L Devonia Devonshire
Useful english dictionary. 2012.