The act or process of moving with a rapid vibratory motion, jolting, agitating, etc.

Specifically

A violent jolting or agitation: as, give him a good shaking.

plural Small pieces of cordage, rope, yarn, or canvas used for making oakum or paper.

verb. Present participle of shake.

noun. A movement that shakes.

noun. the act of causing something to move up and down (or back and forth) with quick movements

noun. a shaky motion

"Flight attendant: “Well, the shaking is the turbulence that the plane is flying through, and the noise is coming from the engines.”"

aching  baking  braking  breaking  faking  

agitated  ague  all shook up  all-overish  aquiver  

shake