shake

verb:to move with short, quick, vibrating movements
- The ground began to shake during the earthquake.
verb:to tremble or quiver, as from cold or emotion
- His voice started to shake as he delivered the emotional speech.
verb:to clasp someone's hand as a greeting or sign of agreement
- They shook hands to finalize the deal.
verb:to agitate or disturb the composure of; to shock or upset
- The news of the accident really shook him.
verb:to mix or blend by jarring movements, as in a container
- You need to shake the bottle well before using the medicine.
noun:a trembling or quivering movement
- There was a noticeable shake in her hands as she was nervous.
noun:an earthquake
- The big shake of 1906 devastated San Francisco.