Both Uses

precipitation
in
Rip Van Winkle
(Auto-generated)

The moment Wolf entered the house his crest fell, his tail drooped to the ground or curled between his legs, he sneaked about with a gallows air, casting many a sidelong glance at Dame Van Winkle, and at the least flourish of a broomstick or ladle he would fly to the door with yelping precipitation.†
*
There was a whisper, also, about securing the gun, and keeping the old fellow from doing mischief, at the very suggestion of which the self-important man in the cocked hat retired with some precipitation.†

Definitions:

(1) (precipitation)
rain, snow, hail, or sleet
(2) (meaning too rare to warrant focus)
In chemistry, precipitation is the process of a solid forming from a solution. Precipitation can also be a noun referring to an unexpected acceleration or hastening; or can refer to throwing down or falling from a height.