What is the meaning of waver?

noun

• Someone who communicates by waving.
• The act of pausing uncertainly.
  • usage: "there was a hesitation in his speech"
  • synonyms: hesitation, falter, faltering
• The act of moving back and forth.
  • synonyms: flutter, flicker

verb

• Pause or hold back in uncertainty or unwillingness.
  • usage: "Authorities hesitate to quote exact figures"
  • synonyms: hesitate, waffle
• Be unsure or weak.
  • usage: "Their enthusiasm is faltering"
  • synonyms: falter
• Move hesitatingly, as if about to give way.
  • synonyms: falter
• Move or sway in a rising and falling or wavelike pattern.
  • usage: "the line on the monitor vacillated"
  • synonyms: fluctuate, vacillate
• Move back and forth very rapidly.
  • usage: "the candle flickered"
  • synonyms: flicker, flitter, flutter, quiver
• Sway to and fro.
  • synonyms: weave
• Give off unsteady sounds, alternating in amplitude or frequency.
  • synonyms: quaver