Real Dictionary

harp
variable noun: A harp is a large musical instrument consisting of a row of strings stretched from the top to the bottom of a frame. You play the harp by plucking the strings with your fingers.

harp in American English
a musical instrument with strings stretched vertically in an open, triangular frame and played by plucking with the fingers: the modern harp has usually forty-six strings and, to permit the playing of halftones, seven foot-pedals
to give voice to; express
to play a harp
intransitive verb: to play on a harp
noun: a musical instrument consisting of a triangular frame formed by a soundbox, a pillar, and a curved neck, and having strings stretched between the soundbox and the neck that are plucked with the fingers

harp in British English
noun: a large triangular plucked stringed instrument consisting of a soundboard connected to an upright pillar by means of a curved crossbar from which the strings extend downwards. The strings are tuned diatonically and may be raised in pitch either one or two