The agony or struggle which sometimes immediately precedes death.(noun)
The Century Dictionary (Public Domain)
Use "death-agony" in a sentence
"Now Aegisthus was examining the entrails, separating them in his hands, and as he was bending down, thy brother rose on tiptoe and smote him on the spine, severing the bones of his back; and his body gave one convulsive shudder from head to foot and writhed in the death-agony."
"Pie found him in the death-agony, but still able to speak."
"To those of us old enough to remember the long death-agony of the Major government, this is pretty sweet..."