Definitions

1. noun

A geologic period of the Paleozoic Era, occurring from about 416 to 359 million years ago.

“The fossil found in the rock was determined to be from the Devonian period.”

2. adjective

Pertaining to or characteristic of the Devonian period.

“The geologist specialized in Devonian-era fossils.”

3. proper noun

A region in the United Kingdom, particularly in Devon, England.

“The Devonian coastline is known for its unique rock formations.”