dying
adjective
°About to die.
"The dying dog was put out of his misery with a single shot."
°Declining, or drawing to an end.
"In the dying moments of daylight I glimpsed a sail on the horizon."
noun
°(plurale tantum) Those who are currently expiring, moribund.
"The battlefield was littered with the dead and dying."
°The process of approaching death; or, less precisely, death itself.