Definitions

1. adjective

Relating to, characteristic of, or inhabiting the Nearctic region, which includes much of North America, northern Central America, and the southwestern part of Greenland.

“The nearctic bird species is found in various parts of North America.”

2. noun

The Nearctic region, including much of North America, northern Central America, and the southwestern part of Greenland.

“The nearctic is home to a diverse range of flora and fauna.”