Definitions of shake:

• noun:   grasping and shaking a person's hand (as to acknowledge an introduction or to agree on a contract)
• noun:   a note that alternates rapidly with another note a semitone above it
• noun:   building material used as siding or roofing
• noun:   causing to move repeatedly from side to side
• noun:   reflex shaking caused by cold or fear or excitement
• noun:   frothy drink of milk and flavoring and sometimes fruit or ice cream
• verb:   get rid of

  Example: "I couldn't shake the car that was following me"

• verb:   bring to a specified condition by or as if by shaking

  Example: "He was shaken from his dreams"

• verb:   shake (a body part) to communicate a greeting, feeling, or cognitive state

  Example: "Shake one's head"

• verb:   undermine or cause to waver

  Example: "My faith has been shaken"

• verb:   move with or as if with a tremor
• verb:   move or cause to move back and forth
• verb:   stir the feelings, emotions, or peace of
• verb:   shake or vibrate rapidly and intensively
• verb:   move back and forth or sideways
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #18444)