1. n. (musical instrument) A musical instrument consisting of a body and a curved neck, strung with strings of varying length that are stroked or plucked with the fingers and are vertical to the soundboard
2. n. Any instrument of the same musicological type.
3. n. (colloquial) A harmonica.
4. n. (Scotland) A grain sieve.
5. n. (heraldry) A heraldic representation of the musical instrument used as a charge, as in the arms of Ireland.
6. v. (usually with on) To repeatedly mention a subject.
Why do you harp on a single small mistake? (US)
Why do you harp on about a single small mistake? (UK)
7. v. To play on (a harp or similar instrument)
8. v. To play (a tune) on the harp.
9. v. To develop or give expression to by skill and art; to sound forth as from a harp; to hit upon.
