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.
harp (Noun) — A pair of curved vertical supports for a lampshade.
harp (Noun) — 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.
harp (Verb) — (usually with on) repeatedly come back to a subject; persistently complain about. ex. "She is always harping on the same old things"
harp (Verb) — (music) play the harp. ex. "She harped the Saint-Saens beautifully"