Definitions:
a musical instrument consisting of a frame supporting a graduated series of parallel strings, played by plucking with the fingers. the modern orchestral harp has an upright frame, with pedals which enable the strings to be retuned to different keys.

a marine mollusc which has a large vertically ribbed shell with a wide aperture, found chiefly in the indo-pacific.

talk or write persistently and tediously on (a particular topic)

play on a harp