A terminal illness or disease causes death, often slowly, and cannot be cured.

A terminal patient is dying of a terminal illness or disease.

A terminal is a place where vehicles, passengers, or goods begin or end a journey.

A computer terminal is a piece of equipment consisting of a keyboard and a screen that is used for putting information into a computer or getting information from it.

On a piece of electrical equipment, a terminal is one of the points where electricity enters or leaves it.