senile tremor

Tremors can start at any age, from birth through advanced ages (senile tremor).

She hoped her voice didn't tremble with repressed laughter on that... or would he think it was a senile tremor?

American neurologists not connected with the Pope's case say that the lack of any worsening of the condition suggests that the tremor could be a common and not serious problem known as a senile tremor.

Starting at the belt buckle, the right rubber glove, full to bursting, moved jerkily, by remote control, to chest, then to shoulder level, presented first the straight-arm, then the bent-arm Party salute, returned sluggishly, just barely in time, for the mechanism was running down, to the belt buckle, gave a senile tremor or two and fell asleep.