What is the meaning of harp?

noun

• A chordophone that has a triangular frame consisting of a sounding board and a pillar and a curved neck; the strings stretched between the neck and the soundbox are plucked with the fingers.
• A pair of curved vertical supports for a lampshade.
• A small rectangular free-reed instrument having a row of free reeds set back in air holes and played by blowing into the desired hole.
  • synonyms: harmonica, mouth organ, mouth harp

verb

• Come back to.
  • usage: "Don't dwell on the past"; "She is always harping on the same old things"
  • synonyms: dwell
• Play the harp.
  • usage: "She harped the Saint-Saens beautifully"