harpˈer or harpˈist noun

A player on the harp

harpˈings plural noun (nautical)

The foreparts of the wales at the bow

harp seal noun

The Greenland seal, a grey animal with dark bands curved like an old harp

harpˈ-shell noun

A genus (Harpa) of gastropods with ribs suggesting harp-strings

harp on about (informal)

To dwell tediously or repeatedly on in speech or writing

harp on one string

To dwell constantly on one topic