adjective / noun

terminal

TER-mih-nul/ˈtɜːrmɪnl/

At the endpoint of a course or connection.

The train stands at the terminal endpoint of the track beside a buffer stop.

An open-sided view of a railway terminal: a passenger train stands beside a platform inside a station hall, with its track visibly ending at a buffer stop.

Etymology

The pieces originally describe something pertaining to an end or boundary. Terminal then became a noun for an ending structure, including a railway end-station, before its transport use extended to airlines.

In context

Stash - Free Documentaries7:57

New passengers are already arriving at terminal F, where the Seaside is docked. Built specifically to handle this ship, it's the biggest terminal at Miami port

The Secret Life of Cruise Ships… What Passengers Never See | Full Documentary

More examples

Her father has a terminal illness.
We wait inside the bus terminal until our bus arrives.
Connect the red cable to the battery's positive terminal.

Forms

terminal · terminals

terminally adverb — In a final or fatal way.

Similar words

final: Describes the last stage, without necessarily implying death.
fatal: Specifically describes something that causes or leads to death.
endpoint: Names an ending point, not usually a passenger facility.