1. noun /ˈtərmɪnəl/
a) A building in an airport where passengers transfer from ground transportation to the facilities that allow them to board airplanes.
b) A rail station where service begins and ends; the end of the line. For example: Grand Central Terminal in New York City.
2. adjective /ˈtərmɪnəl/
a) Fatal, resulting in death.
Wikipedia foundation.