0 past simple and past participle of quake --
1 to shake because you are very frightened or find something very funny, or to feel or show great fear: --
The earth quaked with terrible intensity, while the river swelled alarmingly into a lake.
It is said that: the earth, all of two hundred seventy thousand yojanas, roared and quaked at that time.
I do not say that he quaked in his shoes or that he lacked personal courage.