|1.||[ adjective ] vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze|
|Synonyms:||trembling quivering shivering quaking shaky|
"a quaking bog" "the quaking child" "quivering leaves of a poplar tree" "with shaking knees" "seemed shaky on her feet" "trembling hands"
|2.||[ noun ] the act of causing something to move up and down (or back and forth) with quick movements|
|Related terms:||agitation joggle shake|
|3.||[ noun ] a shaky motion|
|Synonyms:||trembling tremor quiver quivering vibration palpitation shakiness|
"the shaking of his fingers as he lit his pipe"
|Related terms:||motion tremolo tremor tremble quiver tremble|