'Hark' means to listen. It is old English that is related to hearing. This word is not much used in the present days and is only used as a rare occurrence. Whenever this word is used in the recent times it is used in the imperative form as an interjection. Thus hark is a verb form. Thus hark means to hear or listen with attention. There is an idiom with this word known as "hark back". It means to return to a former point while narrating something.
Thus hark indicates the act of perceiving by the ear. It is to make an effort to hear something. Harken and hearken are also some forms of this word. "He harked back to the audience" is an instance of the usage of this word. To give or lend one's ear is also an idiom related to the word hark.
Thus hark indicates the act of perceiving by the ear. It is to make an effort to hear something. Harken and hearken are also some forms of this word. "He harked back to the audience" is an instance of the usage of this word. To give or lend one's ear is also an idiom related to the word hark.