tremor

n 1: an involuntary vibration (as if from illness or fear) [syn:

{shudder}]

2: a small earthquake [syn: {earth tremor}, {microseism}]

3: a shaky motion; "the shaking of his fingers as he lit his

pipe" [syn: {shaking}, {shakiness}, {trembling}, {quiver},

{quivering}, {vibration}, {palpitation}]

v : shake with seismic vibrations, as of planets; "The earth was

quaking" [syn: {quake}]