terminal

adjective

• 1 [attributive] of, forming, or situated at the end or extremity of something:a terminal date the terminal tip of the probe
• of or forming a transportation terminal:terminal platforms
• Zoology situated at, forming, or denoting the end of a part or series of parts furthest from the center of the body.
• Botany (of a flower, inflorescence, etc.) borne at the end of a stem or branch. Often contrasted with axillary.

• 2(of a disease) predicted to lead to death, especially slowly; incurable:terminal cancer
• [attributive] suffering from or relating to a terminal disease:a hospice for terminal cases
• [attributive] (of a condition) forming the last stage of a terminal disease.
• informal extreme and usually beyond cure or alteration (used to emphasize the extent of something regarded as bad or unfortunate):you’re making a terminal ass of yourself

noun

• 1an end or extremity of something, in particular.
• the end of a railroad or other transport route, or a station at such a point.
• a departure and arrival building for air passengers at an airport.
• an installation where oil or gas is stored at the end of a pipeline or at a port.

• 2a point of connection for closing an electric circuit.

• 3a device at which a user enters data or commands for a computer system and that displays the received output.

• 4 (also terminal figure)another term for terminus (sense 3).