lifesign
nounUK /ˈlaɪf.saɪn/
US /ˈlaɪf.saɪn/
A lifesign is a sign that shows a person or animal is alive.
The doctors checked the patient's lifesigns to make sure he was okay.
OTHER MEANINGS
2. A signal or movement that shows someone is still alive after an accident.
The rescue team searched for any lifesign under the rubble.
3. A measurement like heartbeat or breathing that shows a body is working.
The machine beeped with every lifesign on the screen.
4. Any small clue that life exists somewhere, such as on another planet.
Scientists look for lifesigns in the air on distant planets.