adj. & n.
--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