Definitions of pinch:

• noun:   a squeeze with the fingers
• noun:   an injury resulting from getting some body part squeezed
• noun:   a painful or straitened circumstance

  Example: "The pinch of the recession"

• noun:   small sharp biting
• noun:   a sudden unforeseen crisis (usually involving danger) that requires immediate action
• noun:   the act of apprehending (especially apprehending a criminal)
• noun:   a slight but appreciable addition
• verb:   irritate as if by a nip, pinch, or tear

  Example: "The pain is as if sharp points pinch your back"

• verb:   squeeze tightly between the fingers

  Example: "He pinched her behind"

• verb:   cut the top off
• verb:   make ridges into by pinching together
• verb:   make off with belongings of others
• name:  A surname (very rare: popularity rank in the U.S.: #33064)